# Interface ICustomActivityProvider

OptimaJet.Workflow.Core.Runtime.ICustomActivityProvider

Provides custom workflow activities to the runtime.

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

```csharp
public interface ICustomActivityProvider
```

## Type Hierarchy

-   ICustomActivityProvider Current type
    -   Derived interfaces
        -   [ICustomMixProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Plugins.CustomWorkflowProviders/ICustomMixProvider/)
    -   Implementing types
        -   [CustomMixProvider<EnumActions, EnumActionsAsync, EnumConditions, EnumConditionsAsync>](https://api.workflowengine.io/core/OptimaJet.Workflow.Plugins.CustomWorkflowProviders/CustomMixProvider-EnumActions-EnumActionsAsync-EnumConditions-EnumConditionsAsync/)
            -   [CompressProvider](https://api.workflowengine.io/files-plugin/OptimaJet.Workflow.Plugins.FilesPlugin.CompressProvider/CompressProvider/)
            -   [DirectoryFTPProvider](https://api.workflowengine.io/files-plugin/OptimaJet.Workflow.Plugins.FilesPlugin.SFTPProvider.DirectoryFTPProvider/DirectoryFTPProvider/)
            -   [DirectoryProvider](https://api.workflowengine.io/files-plugin/OptimaJet.Workflow.Plugins.FilesPlugin.DirectoryProvider/DirectoryProvider/)
            -   [FileFTPProvider](https://api.workflowengine.io/files-plugin/OptimaJet.Workflow.Plugins.FilesPlugin.SFTPProvider.FileFTPProvider/FileFTPProvider/)
            -   [FileProvider](https://api.workflowengine.io/files-plugin/OptimaJet.Workflow.Plugins.FilesPlugin.FileProvider/FileProvider/)
            -   [ListFilesProvider](https://api.workflowengine.io/files-plugin/OptimaJet.Workflow.Plugins.FilesPlugin.ListFilesProvider/ListFilesProvider/)
            -   [WorkflowPlugin<TEnumActions, TEnumActionsAsync, TEnumConditions, TEnumConditionsAsync>](https://api.workflowengine.io/core/OptimaJet.Workflow.Plugins.CustomWorkflowProviders/WorkflowPlugin-TEnumActions-TEnumActionsAsync-TEnumConditions-TEnumConditionsAsync/)
                -   [ApprovalPlugin](https://api.workflowengine.io/core/OptimaJet.Workflow.Plugins/ApprovalPlugin/)
                -   [LoopPlugin](https://api.workflowengine.io/core/OptimaJet.Workflow.Plugins/LoopPlugin/)
                -   [WorkflowPluginWithRuleProvider<EnumActions, EnumActionsAsync, EnumConditions, EnumConditionsAsync, EnumRules, EnumRulesAsync>](https://api.workflowengine.io/core/OptimaJet.Workflow.Plugins.CustomWorkflowProviders/WorkflowPluginWithRuleProvider-EnumActions-EnumActionsAsync-EnumConditions-EnumConditionsAsync-EnumRules-EnumRulesAsync/)
                    -   [BasicPlugin](https://api.workflowengine.io/core/OptimaJet.Workflow.Plugins/BasicPlugin/)
        -   [ProviderProviders<TEnumProviders>](https://api.workflowengine.io/core/OptimaJet.Workflow.Plugins.CustomWorkflowProviders/ProviderProviders-TEnumProviders/)
            -   [FilePlugin](https://api.workflowengine.io/files-plugin/OptimaJet.Workflow.Plugins/FilePlugin/)
            -   [FTPProvider](https://api.workflowengine.io/files-plugin/OptimaJet.Workflow.Plugins.FilesPlugin.FTPProvider/FTPProvider/)

## Methods

`List<ActivityBase> GetCustomActivities()` 

Gets the custom activities exposed by the provider.

### Returns

| Type | Description |
| --- | --- |
| `List<ActivityBase>` | A list of custom [ActivityBase](https://api.workflowengine.io/core/OptimaJet.Workflow.Core/ActivityBase/) instances available from this provider. |

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