# Namespace OptimaJet.Workflow.Core.Runtime

## Classes

-   [ActorsApi](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/ActorsApi/)
    
    Provides APIs for resolving workflow participant identities and associated commands from workflow actor rules for a specific [WorkflowRuntime](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/) instance.
    
-   [AggregatingActionProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/AggregatingActionProvider/)
    
    Combines registered [IWorkflowActionProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/IWorkflowActionProvider/) implementations into one provider and resolves duplicate action and condition names by registration priority.
    
-   [AggregatingDesignerAutocompleteProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/AggregatingDesignerAutocompleteProvider/)
    
    Combines suggestions from every applicable [IDesignerAutocompleteProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/IDesignerAutocompleteProvider/) implementation.
    
-   [AggregatingDesignerParameterFormatProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/AggregatingDesignerParameterFormatProvider/)
    
    Combines registered [IDesignerParameterFormatProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/IDesignerParameterFormatProvider/) implementations into one provider and selects a single structured parameter format by registration priority.
    
-   [AggregatingExternalParametersProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/AggregatingExternalParametersProvider/)
    
    Combines registered [IWorkflowExternalParametersProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/IWorkflowExternalParametersProvider/) implementations into one provider and routes external parameter operations by parameter ownership and access mode.
    
-   [AggregatingRuleProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/AggregatingRuleProvider/)
    
    Combines registered [IWorkflowRuleProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/IWorkflowRuleProvider/) implementations into one provider and resolves duplicate rule names by registration priority.
    
-   [BaseAggregatingProvider<T>](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/BaseAggregatingProvider-T/)
    
    Stores providers registered either globally or for specific schemes and exposes the applicable providers in registration order.
    
-   [BeforeActivityExecutionEventArgs](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/BeforeActivityExecutionEventArgs/)
    
    Provides event data for [WorkflowRuntime.OnBeforeActivityExecution](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/) and [WorkflowRuntime.OnBeforeActivityExecutionAsync](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/).
    
-   [BulkCreateInstancePrams](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/BulkCreateInstancePrams/)
    
    Represents information required for bulk process instance creation.
    
-   [BulkOperationOptions](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/BulkOperationOptions/)
    
    Provides optional parameters used by workflow runtime bulk APIs.
    
-   [CodeActionsCompiledEventArgs](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/CodeActionsCompiledEventArgs/)
    
    Provides event data for [WorkflowRuntime.GlobalCodeActionsCompiled](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/).
    
-   [CommandExecutionResult](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/CommandExecutionResult/)
    
    Represents the outcome of a workflow command execution.
    
-   [CommandParameter](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/CommandParameter/)
    
    Represents a command parameter for use in an application.
    
-   [CreateInstanceParams](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/CreateInstanceParams/)
    
    Provides parameters for creating a process instance.
    
-   [DeactivatedDesignerAutocompleteProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/DeactivatedDesignerAutocompleteProvider/)
    
    Wraps an [IDesignerAutocompleteProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/IDesignerAutocompleteProvider/) and allows it to be enabled or disabled dynamically.
    
-   [DeactivatedDesignerParameterFormatProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/DeactivatedDesignerParameterFormatProvider/)
    
    Wraps an [IDesignerParameterFormatProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/IDesignerParameterFormatProvider/) and allows it to be enabled or disabled dynamically.
    
-   [DeactivatedWorkflowActionProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/DeactivatedWorkflowActionProvider/)
    
    Wraps an [IWorkflowActionProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/IWorkflowActionProvider/) and allows it to be enabled or disabled dynamically.
    
-   [DeactivatedWorkflowRuleProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/DeactivatedWorkflowRuleProvider/)
    
    Wraps an [IWorkflowRuleProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/IWorkflowRuleProvider/) and allows it to be enabled or disabled dynamically.
    
-   [DefaultRuntimeIdProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/DefaultRuntimeIdProvider/)
    
    Provides a default [IRuntimeIdProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/IRuntimeIdProvider/) implementation that persists a generated runtime identifier in a file.
    
-   [EmptyDesignerAutocompleteProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/EmptyDesignerAutocompleteProvider/)
    
    Provides the empty fallback implementation of [IDesignerAutocompleteProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/IDesignerAutocompleteProvider/), representing the absence of Designer autocomplete suggestions.
    
-   [EmptyDesignerParameterFormatProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/EmptyDesignerParameterFormatProvider/)
    
    Provides the empty fallback implementation of [IDesignerParameterFormatProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/IDesignerParameterFormatProvider/), representing the absence of Designer parameter format definitions.
    
-   [EmptyWorkflowActionProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/EmptyWorkflowActionProvider/)
    
    Provides the empty fallback implementation of [IWorkflowActionProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/IWorkflowActionProvider/), representing the absence of configured workflow actions and conditions.
    
-   [EmptyWorkflowExternalParametersProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/EmptyWorkflowExternalParametersProvider/)
    
    Provides the empty fallback implementation of [IWorkflowExternalParametersProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/IWorkflowExternalParametersProvider/), representing the absence of configured external parameters.
    
-   [EmptyWorkflowRuleProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/EmptyWorkflowRuleProvider/)
    
    Provides the empty fallback implementation of [IWorkflowRuleProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/IWorkflowRuleProvider/), representing the absence of configured workflow rules.
    
-   [GetInitialCommandsParams](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/GetInitialCommandsParams/)
    
    Represents the parameters used to retrieve initial commands for a workflow process scheme.
    
-   [GetStateBySchemeParams](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/GetStateBySchemeParams/)
    
    Represents parameters for getting workflow state information by scheme code.
    
-   [OfflineApi](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/OfflineApi/)
    
    Provides API operations for building approval maps and executing ordered batches of workflow commands.
    
-   [ParametersSerializer](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/ParametersSerializer/)
    
    Provides JSON serialization helpers for process parameter values persisted by the Workflow Engine runtime.
    
-   [ProcessActivityChangedEventArgs](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/ProcessActivityChangedEventArgs/)
    
    Provides event data for [WorkflowRuntime.OnProcessActivityChanged](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/) and [WorkflowRuntime.OnProcessActivityChangedAsync](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/).
    
-   [ProcessHistoryItem](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/ProcessHistoryItem/)
    
    Represents a persisted process history entry for a transition or process initialization.
    
-   [ProcessStatusChangedEventArgs](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/ProcessStatusChangedEventArgs/)
    
    Provides event data for [WorkflowRuntime.OnProcessStatusChanged](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/) and [WorkflowRuntime.OnProcessStatusChangedAsync](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/).
    
-   [ProcessStatusWait](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/ProcessStatusWait/)
    
    Acquires exclusive execution access to a process by changing its persisted status to [ProcessStatus.Running](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Persistence/ProcessStatus/), waiting and retrying when the process is already being executed.
    
-   [ProcessTimer](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/ProcessTimer/)
    
    Represents a process timer.
    
-   [ResumeParams](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/ResumeParams/)
    
    Provides parameters for resuming a process from a specific activity.
    
-   [ResumeResult](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/ResumeResult/)
    
    Represents the result of a process resume execution.
    
-   [RuntimeStartEventArgs](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/RuntimeStartEventArgs/)
    
    Provides event data for runtime startup notifications raised by [WorkflowRuntime.OnRuntimeStart](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/) and [WorkflowRuntime.OnRuntimeStartAsync](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/).
    
-   [SchemaWasChangedEventArgs](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/SchemaWasChangedEventArgs/)
    
    Provides event data for [WorkflowRuntime.OnSchemaWasChanged](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/) and [WorkflowRuntime.OnSchemaWasChangedAsync](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/).
    
-   [SetStateParams](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/SetStateParams/)
    
    Provides parameters for setting a process state.
    
-   [StartingTransitionNotFoundEventArgs](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/StartingTransitionNotFoundEventArgs/)
    
    Provides event data for [WorkflowRuntime.OnStartingTransitionNotFound](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/) and [WorkflowRuntime.OnStartingTransitionNotFoundAsync](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/).
    
-   [TimerToExecute](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/TimerToExecute/)
    
    Represents a workflow timer to execute and identifies its owning process tree.
    
-   [TimerToRegister](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/TimerToRegister/)
    
    Represents a timer registration entry that is persisted in a timer store.
    
-   [UserIdentity](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/UserIdentity/)
    
    Associates an application-defined workflow participant identity with a user name.
    
-   [WorkflowCommand](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowCommand/)
    
    Represents a workflow command for use in an application.
    
-   [WorkflowErrorEventArgs](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowErrorEventArgs/)
    
    Provides event data for [WorkflowRuntime.OnWorkflowError](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/) and [WorkflowRuntime.OnWorkflowErrorAsync](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/).
    
-   [WorkflowRuntime](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/)
    
    Provides the main API for configuring Workflow Engine and working with [ProcessInstance](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessInstance/) objects.
    
-   [WorkflowRuntimeBulkApi](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntimeBulkApi/)
    
    Runtime extension API for creating process instances in bulk.
    
-   [WorkflowRuntimeConfigurationExtension](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntimeConfigurationExtension/)
    
    Provides fluent configuration methods for [WorkflowRuntime](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/).
    
-   [WorkflowRuntimeGetActorsApi](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntimeGetActorsApi/)
    
    Provides extension methods on [WorkflowRuntime](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/) for resolving workflow participant identities assigned to command transitions by actor restrictions.
    
-   [WorkflowRuntimeGetActorsWithCommandsApi](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntimeGetActorsWithCommandsApi/)
    
    Provides [WorkflowRuntime](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/) extension methods for resolving workflow participant identities and associated commands from actor restrictions on command transitions.
    
-   [WorkflowRuntimeSettings](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntimeSettings/)
    
    Represents configurable runtime behavior used by [WorkflowRuntime](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/).
    
-   [WorkflowRuntimeStartResult](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntimeStartResult/)
    
    Represents the result of a [WorkflowRuntime](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/) start operation that may include global code action compilation errors.
    
-   [WorkflowRuntimeTenantGlobalParameterExtensions](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntimeTenantGlobalParameterExtensions/)
    
    Extension methods for tenant-bound global parameter operations.
    
-   [WorkflowRuntimeTimeExtensions](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntimeTimeExtensions/)
    
    Provides extension methods for converting dates and times to runtime time.
    
-   [WorkflowState](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowState/)
    
    Represents the state of a process used by the Workflow Engine runtime.
    

## Interfaces

-   [ICustomActivityProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/ICustomActivityProvider/)
    
    Provides custom workflow activities to the runtime.
    
-   [IDesignerAutocompleteProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/IDesignerAutocompleteProvider/)
    
    Provides autocomplete suggestions for design-time inputs shown in the Workflow Designer UI.
    
-   [IDesignerParameterFormatProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/IDesignerParameterFormatProvider/)
    
    Supplies the Workflow Designer with metadata used to build structured editors for the parameters of named workflow actions, conditions, and rules.
    
-   [ILocalizationProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/ILocalizationProvider/)
    
    Provides access to localized text resources used by workflow runtime and designer logic.
    
-   [IRuntimeIdProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/IRuntimeIdProvider/)
    
    Provides a runtime identifier that is used to initialize a [WorkflowRuntime](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/) instance.
    
-   [ITimerManager](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/ITimerManager/)
    
    Defines services for initializing and managing workflow timers at runtime.
    
-   [IWorkflowActionProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/IWorkflowActionProvider/)
    
    Provides workflow actions and conditions from runtime definitions.
    
-   [IWorkflowExternalParametersProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/IWorkflowExternalParametersProvider/)
    
    Provides access to workflow external parameters for a specific process instance.
    
-   [IWorkflowRuleProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/IWorkflowRuleProvider/)
    
    Defines named authorization rules used to evaluate workflow participant identities for transition restrictions.
    

## Enums

-   [CancellationTokenHandling](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/CancellationTokenHandling/)
    
    Specifies whether workflow execution checks a [CancellationToken](https://learn.microsoft.com/dotnet/api/system.threading.cancellationtoken) at the post-activity checkpoint before continuing the process.
    
-   [ExecutionSearchOrder](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/ExecutionSearchOrder/)
    
    Defines the lookup order used by the runtime when resolving actions, conditions, and rules by name.
    
-   [NamesSearchType](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/NamesSearchType/)
    
    Specifies the filtering strategy for action and condition name queries in workflow providers.
    
-   [SuggestionCategory](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/SuggestionCategory/)
    
    Identifies the context for autocomplete suggestions requested by the Workflow Designer.
    

## Delegates

-   [GetCustomTimerValueAsyncDelegate](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/GetCustomTimerValueAsyncDelegate/)
    
    Asynchronous delegate used to resolve a custom [TimerDefinition.Value](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TimerDefinition/) into its execution time.
    
-   [GetUserByIdentityAsyncDelegate](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/GetUserByIdentityAsyncDelegate/)
    
    Asynchronous delegate used to resolve the user name associated with a workflow participant identity.
    
-   [GetUsersWithIdentitiesAsyncDelegate](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/GetUsersWithIdentitiesAsyncDelegate/)
    
    Asynchronous delegate used to retrieve [UserIdentity](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/UserIdentity/) associations between user names and application-defined workflow participant identities.
    

## Sub-namespaces

-   [Bulk](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime.Bulk/)
    
-   [Calendars](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime.Calendars/)
    
-   [CodeAutocomplete](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime.CodeAutocomplete/)
    
-   [ProcessRestoring](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime.ProcessRestoring/)
    
-   [ServiceRunners](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime.ServiceRunners/)
    
-   [Settings](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime.Settings/)
    
-   [Timers](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime.Timers/)