# Class GlobalParameterEntity

OptimaJet.Workflow.Core.Entities.GlobalParameterEntity

Represents the persisted data for a global parameter.

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

```csharp
public class GlobalParameterEntity : IEntity
```

## Type Hierarchy

-   GlobalParameterEntity Current type
    -   Implemented interfaces
        -   [IEntity](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Entities/IEntity/)

## Properties

`public Guid Id { get; set; }` 

Gets or sets the unique identifier of the global parameter record.

`public string Type { get; set; }` 

Gets or sets the logical type used to group the global parameter.

`public string Name { get; set; }` 

Gets or sets the name that identifies the global parameter within its logical type and tenant scope.

`public string Value { get; set; }` 

Gets or sets the serialized value of the global parameter.

`public string TenantId { get; set; }` 

Gets or sets the tenant identifier for the global parameter, or [null](https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null) for a shared global parameter.

## Methods

`public object GetValue(string key)` 

Gets the value of the property identified by `key`.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `key` | `String` | The name of [GlobalParameterEntity.Id](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Entities/GlobalParameterEntity/), [GlobalParameterEntity.Type](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Entities/GlobalParameterEntity/), [GlobalParameterEntity.Name](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Entities/GlobalParameterEntity/), [GlobalParameterEntity.Value](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Entities/GlobalParameterEntity/), or [GlobalParameterEntity.TenantId](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Entities/GlobalParameterEntity/). |

### Returns

| Type | Description |
| --- | --- |
| `Object` | The value of the property selected by `key`. |

### Exceptions

| Type | Description |
| --- | --- |
| `ColumnNotExistsException` | `key` does not match the name of a supported property. |

`public void SetValue(string key, object value)` 

Sets the value of the property identified by `key`.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `key` | `String` | The name of [GlobalParameterEntity.Id](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Entities/GlobalParameterEntity/), [GlobalParameterEntity.Type](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Entities/GlobalParameterEntity/), [GlobalParameterEntity.Name](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Entities/GlobalParameterEntity/), [GlobalParameterEntity.Value](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Entities/GlobalParameterEntity/), or [GlobalParameterEntity.TenantId](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Entities/GlobalParameterEntity/). |
| `value` | `Object` | The value to assign. A value for [GlobalParameterEntity.Id](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Entities/GlobalParameterEntity/) must be a [Guid](https://learn.microsoft.com/dotnet/api/system.guid); a value that is not a [string](https://learn.microsoft.com/dotnet/api/system.string) for any other supported property is assigned as [null](https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null). |

### Exceptions

| Type | Description |
| --- | --- |
| `ColumnNotExistsException` | `key` does not match the name of a supported property. |
| `InvalidCastException` | `key` identifies [GlobalParameterEntity.Id](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Entities/GlobalParameterEntity/) and `value` is not [null](https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null) and is not a [Guid](https://learn.microsoft.com/dotnet/api/system.guid). |
| `NullReferenceException` | `key` identifies [GlobalParameterEntity.Id](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Entities/GlobalParameterEntity/) and `value` is [null](https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null). |

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