# Class ProcessDefinition

OptimaJet.Workflow.Core.Model.ProcessDefinition

Represents the parsed and built form of a scheme used to create and execute process instances, including its activities, transitions, commands, parameters, timers, and other definitions.

Namespace: [OptimaJet.Workflow.Core.Model](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/)

```csharp
public sealed class ProcessDefinition : BaseDefinition
```

## Type Hierarchy

-   [BaseDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/BaseDefinition/)
    -   ProcessDefinition Current type

## Constructors

`public ProcessDefinition()` 

Initializes a new instance of the [ProcessDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/) class with empty definition collections.

### Remarks

Initializes [ProcessDefinition.Actors](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/), [ProcessDefinition.Parameters](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/), [ProcessDefinition.Commands](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/), [ProcessDefinition.Timers](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/), [ProcessDefinition.Comments](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/), [ProcessDefinition.Activities](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/), [ProcessDefinition.Transitions](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/), [ProcessDefinition.Localization](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/), [ProcessDefinition.AdditionalParams](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/), [ProcessDefinition.CodeActions](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/), and [ProcessDefinition.Tags](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/).

## Properties

`[JsonIgnore] [JsonIgnore] public CodeActionsInvoker CodeActionsInvoker { get; }` 

Gets the [ProcessDefinition.CodeActionsInvoker](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/) that invokes compiled code actions represented by [CodeActionDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/CodeActionDefinition/) instances in this process scheme.

`[JsonIgnore] [JsonIgnore] public ExpressionsInvoker ExpressionsInvoker { get; }` 

Gets the [ProcessDefinition.ExpressionsInvoker](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/) that evaluates compiled [ConditionType.Expression](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ConditionType/) conditions for this process scheme.

`[JsonIgnore] [JsonIgnore] public SubprocessNameGetterInvoker SubprocessNameGetterInvoker { get; }` 

Gets the [ProcessDefinition.SubprocessNameGetterInvoker](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/) that evaluates configured [TransitionDefinition.SubprocessName](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) values for this process scheme.

`[JsonIgnore] [JsonIgnore] public ExpressionManager ExpressionManager { get; }` 

Gets the [ProcessDefinition.ExpressionManager](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/) that compiles, caches, and evaluates expressions for this process scheme.

`public List<ActorDefinition> Actors { get; set; }` 

Gets or sets the [ActorDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActorDefinition/) instances available to the process scheme, including actors whose [ActorDefinition.IsPredefined](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActorDefinition/) value is [true](https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool).

`public List<ParameterDefinition> Parameters { get; set; }` 

Gets or sets the [ParameterDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ParameterDefinition/) instances available to the process scheme, including definitions from [DefaultDefinitions.DefaultParameters](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/DefaultDefinitions/).

`public List<CommandDefinition> Commands { get; set; }` 

Gets or sets the [CommandDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/CommandDefinition/) instances contained in the process scheme.

`public List<TimerDefinition> Timers { get; set; }` 

Gets or sets the [TimerDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TimerDefinition/) instances contained in the process scheme.

`public List<CommentDefinition> Comments { get; set; }` 

Gets or sets the [CommentDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/CommentDefinition/) instances contained in the process scheme.

`public List<ActivityDefinition> Activities { get; set; }` 

Gets or sets the [ActivityDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActivityDefinition/) instances contained in the process scheme.

`public List<TransitionDefinition> Transitions { get; set; }` 

Gets or sets the [TransitionDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) instances contained in the process scheme.

`public Localization Localization { get; set; }` 

Gets or sets the [Translation](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Translation/) entries for the process scheme.

`public Localizer Localizer { get; }` 

Gets a new [ProcessDefinition.Localizer](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/) that resolves values from [ProcessDefinition.Localization](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/).

`public List<CodeActionDefinition> CodeActions { get; set; }` 

Gets or sets the [CodeActionDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/CodeActionDefinition/) instances contained in the process scheme.

`public string CodeActionsCommonUsings { get; set; }` 

Gets or sets the semicolon-delimited namespace imports shared when [CodeActionDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/CodeActionDefinition/) instances are compiled.

`public Dictionary<string, object> AdditionalParams { get; set; }` 

Gets or sets data supplied to Workflow Designer in addition to the process scheme model.

`public bool CanBeInlined { get; set; }` 

Gets or sets a value indicating whether this process scheme can be inlined into another process scheme.

`public bool LogEnabled { get; set; }` 

Gets or sets a value indicating whether logging is enabled by default through [ProcessInstance.LogEnabled](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessInstance/) for process instances created from this scheme.

`public List<string> InlinedSchemes { get; }` 

Gets the distinct [ActivityDefinition.SchemeCode](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActivityDefinition/) values for activities whose [ActivityDefinition.ActivityType](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActivityDefinition/) is [ActivityType.Inline](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActivityType/).

`public string StartingTransition { get; set; }` 

Gets or sets the name of the [TransitionDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) that started this subprocess scheme.

`public List<string> Tags { get; }` 

Gets the tags associated with the process scheme.

`[JsonIgnore] [JsonIgnore] public bool ContainsSubprocesses { get; }` 

Gets a value indicating whether any transition has [TransitionDefinition.IsFork](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) set to [true](https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool).

`[JsonIgnore] [JsonIgnore] public ActivityDefinition InitialActivity { get; }` 

Gets the first [ActivityDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActivityDefinition/) in [ProcessDefinition.Activities](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/) whose [ActivityDefinition.IsInitial](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActivityDefinition/) value is [true](https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool); otherwise, [null](https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null).

`public ParameterDefinition[] ParametersForSerialize { get; }` 

Gets the [ParameterDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ParameterDefinition/) instances whose parameter names are not used by any definition in [DefaultDefinitions.DefaultParameters](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/DefaultDefinitions/), or [null](https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null) when [ProcessDefinition.Parameters](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/) is [null](https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null).

`public IEnumerable<ParameterDefinition> PersistenceParameters { get; }` 

Gets the parameter definitions whose [ParameterDefinition.Purpose](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ParameterDefinition/) is [ParameterPurpose.Persistence](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ParameterPurpose/).

`public ActorDefinition[] ActorsForSerialize { get; }` 

Gets the actor definitions whose [ActorDefinition.IsPredefined](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActorDefinition/) value is [false](https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool), or [null](https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null) when [ProcessDefinition.Actors](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/) is [null](https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null).

`public string RootSchemeCode { get; set; }` 

Gets or sets the code of the root process scheme for this subprocess scheme.

`public Guid? RootSchemeId { get; set; }` 

Gets or sets the identifier of the root process scheme for this subprocess scheme.

`public bool IsObsolete { get; set; }` 

Gets or sets a value indicating whether this process scheme is obsolete.

`public Guid Id { get; set; }` 

Gets or sets the identifier of this process scheme.

`public string TenantId { get; set; }` 

Gets or sets the tenant identifier associated with this process scheme.

`public bool IsSubprocessScheme { get; }` 

Gets a value indicating whether [ProcessDefinition.RootSchemeId](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/) has a value different from [ProcessDefinition.Id](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/).

`public List<string> AllowedActivities { get; set; }` 

Gets or sets the names of parent-process [ActivityDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActivityDefinition/) instances during which this subprocess may remain active.

`public string CalendarName { get; set; }` 

Gets or sets the scheme-level work calendar name used by [ProcessInstance.GetCalendar()](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessInstance/) when [ProcessInstance.CalendarName](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessInstance/) is [null](https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null).

## Methods

`public ActivityDefinition FindActivity(string activityName)` 

Finds the activity named `activityName` using [StringComparison.Ordinal](https://learn.microsoft.com/dotnet/api/system.stringcomparison#system-stringcomparison-ordinal).

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `activityName` | `String` | The activity name to find. |

### Returns

| Type | Description |
| --- | --- |
| `ActivityDefinition` | The matching [ActivityDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActivityDefinition/). |

### Exceptions

| Type | Description |
| --- | --- |
| `ActivityNotFoundException` | No activity is named `activityName`. |
| `InvalidOperationException` | More than one activity is named `activityName`. |

`public ActivityDefinition FindSetStateActivity(string stateName)` 

Finds the first activity that can be selected by business state name through [ActivityDefinition.IsForSetState](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActivityDefinition/).

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `stateName` | `String` | The value to match against [ActivityDefinition.State](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActivityDefinition/) using [StringComparison.Ordinal](https://learn.microsoft.com/dotnet/api/system.stringcomparison#system-stringcomparison-ordinal). |

### Returns

| Type | Description |
| --- | --- |
| `ActivityDefinition` | The matching [ActivityDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActivityDefinition/). |

### Exceptions

| Type | Description |
| --- | --- |
| `ActivityNotFoundException` | No activity has a nonempty [ActivityDefinition.State](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActivityDefinition/) equal to `stateName` and [ActivityDefinition.IsForSetState](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActivityDefinition/) set to [true](https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool). |

`public CommandDefinition FindCommand(string name)` 

Finds the command named `name` using [StringComparison.Ordinal](https://learn.microsoft.com/dotnet/api/system.stringcomparison#system-stringcomparison-ordinal).

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `name` | `String` | The command name to find. |

### Returns

| Type | Description |
| --- | --- |
| `CommandDefinition` | The matching [CommandDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/CommandDefinition/). |

### Exceptions

| Type | Description |
| --- | --- |
| `CommandNotFoundException` | No command is named `name`. |
| `InvalidOperationException` | More than one command is named `name`. |

`public ActorDefinition FindActor(string name)` 

Finds the actor named `name` using [StringComparison.Ordinal](https://learn.microsoft.com/dotnet/api/system.stringcomparison#system-stringcomparison-ordinal).

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `name` | `String` | The actor name to find. |

### Returns

| Type | Description |
| --- | --- |
| `ActorDefinition` | The matching [ActorDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActorDefinition/). |

### Exceptions

| Type | Description |
| --- | --- |
| `ActorNotFoundException` | No actor is named `name`. |
| `InvalidOperationException` | More than one actor is named `name`. |

`public ParameterDefinition FindParameterDefinition(string name)` 

Finds the parameter named `name` using [StringComparison.Ordinal](https://learn.microsoft.com/dotnet/api/system.stringcomparison#system-stringcomparison-ordinal).

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `name` | `String` | The parameter name to find. |

### Returns

| Type | Description |
| --- | --- |
| `ParameterDefinition` | The matching [ParameterDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ParameterDefinition/), or [null](https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null) if no match exists. |

### Exceptions

| Type | Description |
| --- | --- |
| `InvalidOperationException` | More than one parameter is named `name`. |

`public TransitionDefinition FindTransition(string name)` 

Finds the transition named `name` using [StringComparison.Ordinal](https://learn.microsoft.com/dotnet/api/system.stringcomparison#system-stringcomparison-ordinal).

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `name` | `String` | The transition name to find. |

### Returns

| Type | Description |
| --- | --- |
| `TransitionDefinition` | The matching [TransitionDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/). |

### Exceptions

| Type | Description |
| --- | --- |
| `TransitionNotFoundException` | No transition is named `name`. |
| `InvalidOperationException` | More than one transition is named `name`. |

`public List<TransitionDefinition> FindTransitions(ActivityDefinition from, ActivityDefinition to)` 

Finds transitions whose [TransitionDefinition.From](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) and [TransitionDefinition.To](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) activity names match `from` and `to`, respectively, using [StringComparison.Ordinal](https://learn.microsoft.com/dotnet/api/system.stringcomparison#system-stringcomparison-ordinal).

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `from` | `ActivityDefinition` | The source [ActivityDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActivityDefinition/) whose name must match. |
| `to` | `ActivityDefinition` | The destination [ActivityDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActivityDefinition/) whose name must match. |

### Returns

| Type | Description |
| --- | --- |
| `List<TransitionDefinition>` | A list of matching [TransitionDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) instances. |

`public IEnumerable<TransitionDefinition> GetPossibleTransitionsForActivity(ActivityDefinition activity, ForkTransitionSearchType forkTransitionSearch = ForkTransitionSearchType.NotFork)` 

Gets transitions whose [TransitionDefinition.From](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) references `activity` and whose [TransitionDefinition.IsFork](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) value matches `forkTransitionSearch`.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `activity` | `ActivityDefinition` | The source [ActivityDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActivityDefinition/). |
| `forkTransitionSearch` | `ForkTransitionSearchType` | The [ForkTransitionSearchType](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ForkTransitionSearchType/) filter to apply. |

### Returns

| Type | Description |
| --- | --- |
| `IEnumerable<TransitionDefinition>` | The matching [TransitionDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) instances. |

### Exceptions

| Type | Description |
| --- | --- |
| `ArgumentOutOfRangeException` | Thrown while enumerating the result if a candidate transition is evaluated and `forkTransitionSearch` is not a defined [ForkTransitionSearchType](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ForkTransitionSearchType/) value. |

`public IEnumerable<TransitionDefinition> GetCommandTransitions(ActivityDefinition activity, ForkTransitionSearchType forkTransitionSearch = ForkTransitionSearchType.NotFork)` 

Gets transitions whose [TransitionDefinition.From](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) references `activity`, whose [TriggerDefinition.Type](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TriggerDefinition/) is [TriggerType.Command](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TriggerType/), and whose [TransitionDefinition.IsFork](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) value matches `forkTransitionSearch`.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `activity` | `ActivityDefinition` | The source [ActivityDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActivityDefinition/). |
| `forkTransitionSearch` | `ForkTransitionSearchType` | The [ForkTransitionSearchType](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ForkTransitionSearchType/) filter to apply. |

### Returns

| Type | Description |
| --- | --- |
| `IEnumerable<TransitionDefinition>` | The matching command-triggered [TransitionDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) instances. |

### Exceptions

| Type | Description |
| --- | --- |
| `ArgumentOutOfRangeException` | Thrown while enumerating the result if a candidate transition is evaluated and `forkTransitionSearch` is not a defined [ForkTransitionSearchType](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ForkTransitionSearchType/) value. |

`public IEnumerable<TransitionDefinition> GetAutoTransitionForActivity(ActivityDefinition activity, ForkTransitionSearchType forkTransitionSearch = ForkTransitionSearchType.NotFork)` 

Gets transitions whose [TransitionDefinition.From](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) references `activity`, whose [TriggerDefinition.Type](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TriggerDefinition/) is [TriggerType.Auto](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TriggerType/), and whose [TransitionDefinition.IsFork](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) value matches `forkTransitionSearch`.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `activity` | `ActivityDefinition` | The source [ActivityDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActivityDefinition/). |
| `forkTransitionSearch` | `ForkTransitionSearchType` | The [ForkTransitionSearchType](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ForkTransitionSearchType/) filter to apply. |

### Returns

| Type | Description |
| --- | --- |
| `IEnumerable<TransitionDefinition>` | The matching automatically triggered [TransitionDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) instances. |

### Exceptions

| Type | Description |
| --- | --- |
| `ArgumentOutOfRangeException` | Thrown while enumerating the result if a candidate transition is evaluated and `forkTransitionSearch` is not a defined [ForkTransitionSearchType](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ForkTransitionSearchType/) value. |

`public IEnumerable<TransitionDefinition> GetCommandTransitionForActivity(ActivityDefinition activity, string commandName, ForkTransitionSearchType forkTransitionSearch = ForkTransitionSearchType.NotFork)` 

Gets transitions whose [TransitionDefinition.From](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) references `activity`, whose [TriggerDefinition.Type](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TriggerDefinition/) is [TriggerType.Command](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TriggerType/), whose [TriggerDefinition.Command](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TriggerDefinition/) name matches `commandName` using [StringComparison.Ordinal](https://learn.microsoft.com/dotnet/api/system.stringcomparison#system-stringcomparison-ordinal), and whose [TransitionDefinition.IsFork](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) value matches `forkTransitionSearch`.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `activity` | `ActivityDefinition` | The source [ActivityDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActivityDefinition/). |
| `commandName` | `String` | The command name to match. |
| `forkTransitionSearch` | `ForkTransitionSearchType` | The [ForkTransitionSearchType](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ForkTransitionSearchType/) filter to apply. |

### Returns

| Type | Description |
| --- | --- |
| `IEnumerable<TransitionDefinition>` | The matching command-triggered [TransitionDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) instances. |

### Exceptions

| Type | Description |
| --- | --- |
| `ArgumentOutOfRangeException` | Thrown while enumerating the result if a candidate transition is evaluated and `forkTransitionSearch` is not a defined [ForkTransitionSearchType](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ForkTransitionSearchType/) value. |

`public IEnumerable<TransitionDefinition> GetTimerTransitionForActivity(ActivityDefinition activity, ForkTransitionSearchType forkTransitionSearch = ForkTransitionSearchType.NotFork)` 

Gets transitions whose [TransitionDefinition.From](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) references `activity`, whose [TriggerDefinition.Type](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TriggerDefinition/) is [TriggerType.Timer](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TriggerType/), and whose [TransitionDefinition.IsFork](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) value matches `forkTransitionSearch`.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `activity` | `ActivityDefinition` | The source [ActivityDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActivityDefinition/). |
| `forkTransitionSearch` | `ForkTransitionSearchType` | The [ForkTransitionSearchType](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ForkTransitionSearchType/) filter to apply. |

### Returns

| Type | Description |
| --- | --- |
| `IEnumerable<TransitionDefinition>` | The matching timer-triggered [TransitionDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) instances. |

### Exceptions

| Type | Description |
| --- | --- |
| `ArgumentOutOfRangeException` | Thrown while enumerating the result if a candidate transition is evaluated and `forkTransitionSearch` is not a defined [ForkTransitionSearchType](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ForkTransitionSearchType/) value. |

`public string GetLocalizedStateName(string name, CultureInfo culture = null)` 

Gets the localized business state name for `name` by using [LocalizeType.State](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/LocalizeType/) entries in [ProcessDefinition.Localization](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/).

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `name` | `String` | The business state name matched against [Translation.ObjectName](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Translation/). |
| `culture` | `CultureInfo` | The culture to use, or [null](https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null) to use [CultureInfo.CurrentCulture](https://learn.microsoft.com/dotnet/api/system.globalization.cultureinfo.currentculture). |

### Returns

| Type | Description |
| --- | --- |
| `String` | The localized business state name, or `name` when no matching [Translation.Value](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Translation/) is available. |

`public string GetLocalizedCommandName(string name, CultureInfo culture = null)` 

Gets the localized command name for `name` by using [LocalizeType.Command](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/LocalizeType/) entries in [ProcessDefinition.Localization](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/).

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `name` | `String` | The command name matched against [Translation.ObjectName](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Translation/). |
| `culture` | `CultureInfo` | The culture to use, or [null](https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null) to use [CultureInfo.CurrentCulture](https://learn.microsoft.com/dotnet/api/system.globalization.cultureinfo.currentculture). |

### Returns

| Type | Description |
| --- | --- |
| `String` | The localized command name, or `name` when no matching [Translation.Value](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Translation/) is available. |

`public string GetLocalizedParameterName(string name, CultureInfo culture = null)` 

Gets the localized parameter name for `name` by using [LocalizeType.Parameter](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/LocalizeType/) entries in [ProcessDefinition.Localization](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/).

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `name` | `String` | The parameter name matched against [Translation.ObjectName](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Translation/). |
| `culture` | `CultureInfo` | The culture to use, or [null](https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null) to use [CultureInfo.CurrentCulture](https://learn.microsoft.com/dotnet/api/system.globalization.cultureinfo.currentculture). |

### Returns

| Type | Description |
| --- | --- |
| `String` | The localized parameter name, or `name` when no matching [Translation.Value](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Translation/) is available. |

`public string GetLocalizedActionName(string name, CultureInfo culture = null)` 

Gets the localized action name for `name` by using [LocalizeType.Action](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/LocalizeType/) entries in [ProcessDefinition.Localization](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/).

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `name` | `String` | The action name matched against [Translation.ObjectName](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Translation/). |
| `culture` | `CultureInfo` | The culture to use, or [null](https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null) to use [CultureInfo.CurrentCulture](https://learn.microsoft.com/dotnet/api/system.globalization.cultureinfo.currentculture). |

### Returns

| Type | Description |
| --- | --- |
| `String` | The localized action name, or `name` when no matching [Translation.Value](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Translation/) is available. |

`public string GetLocalizedConditionName(string name, CultureInfo culture = null)` 

Gets the localized condition name for `name` by using [LocalizeType.Condition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/LocalizeType/) entries in [ProcessDefinition.Localization](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/).

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `name` | `String` | The condition name matched against [Translation.ObjectName](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Translation/). |
| `culture` | `CultureInfo` | The culture to use, or [null](https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null) to use [CultureInfo.CurrentCulture](https://learn.microsoft.com/dotnet/api/system.globalization.cultureinfo.currentculture). |

### Returns

| Type | Description |
| --- | --- |
| `String` | The localized condition name, or `name` when no matching [Translation.Value](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Translation/) is available. |

`public string GetLocalizedSchemeName(CultureInfo culture = null)` 

Gets the localized name of this process scheme by using [LocalizeType.Scheme](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/LocalizeType/) entries in [ProcessDefinition.Localization](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/).

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `culture` | `CultureInfo` | The culture to use, or [null](https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null) to use [CultureInfo.CurrentCulture](https://learn.microsoft.com/dotnet/api/system.globalization.cultureinfo.currentculture). |

### Returns

| Type | Description |
| --- | --- |
| `String` | The localized process scheme name, or the original process scheme name when no matching [Translation.Value](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Translation/) is available. |

`public string GetLocalizedComment(string key, CultureInfo culture = null)` 

Gets the localized comment for `key` by using [LocalizeType.Comment](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/LocalizeType/) entries in [ProcessDefinition.Localization](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/).

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `key` | `String` | The comment key matched against [Translation.ObjectName](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Translation/). |
| `culture` | `CultureInfo` | The culture to use, or [null](https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null) to use [CultureInfo.CurrentCulture](https://learn.microsoft.com/dotnet/api/system.globalization.cultureinfo.currentculture). |

### Returns

| Type | Description |
| --- | --- |
| `String` | The localized comment, or `key` when no matching [Translation.Value](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Translation/) is available. |

`public ProcessDefinition Clone()` 

Creates a copy of this process definition by calling [ProcessDefinition.Clone(bool, bool, bool)](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/) with all omission options set to [false](https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool).

### Returns

| Type | Description |
| --- | --- |
| `ProcessDefinition` | A new [ProcessDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/) that includes the [ProcessDefinition.Activities](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/), [ProcessDefinition.Transitions](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/), and [ProcessDefinition.CodeActions](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/) collections. |

`public ProcessDefinition Clone(bool doNotCloneActivities, bool doNotCloneTransitions, bool doNotCloneCodeActions)` 

Creates a copy of this process definition and optionally omits selected definition collections.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `doNotCloneActivities` | `Boolean` | [true](https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool) to leave [ProcessDefinition.Activities](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/) empty in the copy; otherwise, [false](https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool). |
| `doNotCloneTransitions` | `Boolean` | [true](https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool) to leave [ProcessDefinition.Transitions](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/) empty in the copy; otherwise, [false](https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool). |
| `doNotCloneCodeActions` | `Boolean` | [true](https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool) to leave [ProcessDefinition.CodeActions](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/) empty in the copy; otherwise, [false](https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool). |

### Returns

| Type | Description |
| --- | --- |
| `ProcessDefinition` | A new [ProcessDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/) containing copies of the definition collections not omitted by `doNotCloneActivities`, `doNotCloneTransitions`, and `doNotCloneCodeActions`. |

### Exceptions

| Type | Description |
| --- | --- |
| `InvalidOperationException` | A reference in [CommandDefinition.InputParameters](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/CommandDefinition/) or a copied [TransitionDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) cannot be rebound to a matching definition in the copied collections. |

### Remarks

Members that this method does not explicitly recreate retain their original references, including [BaseDefinition.DesignerSettings](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/BaseDefinition/) and [ProcessDefinition.AllowedActivities](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/). [ProcessDefinition.AdditionalParams](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/) is a new dictionary whose values retain their original references.

`public string GetSchemeCodeForActionCall()` 

Gets the process scheme code used for scheme-scoped action, condition, rule, and external-parameter calls.

### Returns

| Type | Description |
| --- | --- |
| `String` | [ProcessDefinition.RootSchemeCode](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/) when [ProcessDefinition.IsSubprocessScheme](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/) is [true](https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool) and the root scheme code is not empty; otherwise, this process scheme's name. |

`public string Serialize()` 

Serializes the process scheme to XML by using [ProcessDefinition.SerializeToXElement()](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/).

### Returns

| Type | Description |
| --- | --- |
| `String` | The formatted XML representation of the process scheme. |

`public XElement SerializeToXElement()` 

Serializes this definition to an [XElement](https://learn.microsoft.com/dotnet/api/system.xml.linq.xelement) in Workflow Engine process-scheme format.

### Returns

| Type | Description |
| --- | --- |
| `XElement` | An [XElement](https://learn.microsoft.com/dotnet/api/system.xml.linq.xelement) whose root element is `Process`. |

`public T GetActivityAnnotation<T>(string activityName, string name)` 

Gets an annotation from the [ActivityDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActivityDefinition/) selected by `activityName` and deserializes its [Annotation.JsonValue](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Annotation/) to `T`.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `activityName` | `String` | The activity name used to select an activity. |
| `name` | `String` | The value matched against [Annotation.Name](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Annotation/). |

### Returns

| Type | Description |
| --- | --- |
| `{T}` | The matching [Annotation.JsonValue](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Annotation/) deserialized as `T`. |

### Exceptions

| Type | Description |
| --- | --- |
| `ActivityNotFoundException` | No activity is named `activityName`. |
| `InvalidOperationException` | More than one activity is named `activityName`. |

`public string GetActivityAnnotation(string activityName, string name)` 

Gets the stored [Annotation.JsonValue](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Annotation/) from the [ActivityDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActivityDefinition/) selected by `activityName`.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `activityName` | `String` | The activity name used to select an activity. |
| `name` | `String` | The value matched against [Annotation.Name](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Annotation/). |

### Returns

| Type | Description |
| --- | --- |
| `String` | The matching [Annotation.JsonValue](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Annotation/), or [null](https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null) when the activity has no annotation named `name`. |

### Exceptions

| Type | Description |
| --- | --- |
| `ActivityNotFoundException` | No activity is named `activityName`. |
| `InvalidOperationException` | More than one activity is named `activityName`. |

`public T GetTransitionAnnotation<T>(string transitionName, string name)` 

Gets an annotation from the [TransitionDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) selected by `transitionName` and deserializes its [Annotation.JsonValue](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Annotation/) to `T`.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `transitionName` | `String` | The transition name used to select a transition. |
| `name` | `String` | The value matched against [Annotation.Name](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Annotation/). |

### Returns

| Type | Description |
| --- | --- |
| `{T}` | The matching [Annotation.JsonValue](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Annotation/) deserialized as `T`. |

### Exceptions

| Type | Description |
| --- | --- |
| `TransitionNotFoundException` | No transition is named `transitionName`. |
| `InvalidOperationException` | More than one transition is named `transitionName`. |

`public string GetTransitionAnnotation(string transitionName, string name)` 

Gets the stored [Annotation.JsonValue](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Annotation/) from the [TransitionDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) selected by `transitionName`.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `transitionName` | `String` | The transition name used to select a transition. |
| `name` | `String` | The value matched against [Annotation.Name](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Annotation/). |

### Returns

| Type | Description |
| --- | --- |
| `String` | The matching [Annotation.JsonValue](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/Annotation/), or [null](https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null) when the transition has no annotation named `name`. |

### Exceptions

| Type | Description |
| --- | --- |
| `TransitionNotFoundException` | No transition is named `transitionName`. |
| `InvalidOperationException` | More than one transition is named `transitionName`. |

[Previous PersistenceParametersBatch](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/PersistenceParametersBatch/) [Next ProcessInstance](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessInstance/)