# RestartProcessInstanceModificationInstructionDto
## Properties
**_type** | **String** | **Mandatory**. One of the following values: `startBeforeActivity`, `startAfterActivity`, `startTransition`. * A `startBeforeActivity` instruction requests to enter a given activity. * A `startAfterActivity` instruction requests to execute the single outgoing sequence flow of a given activity. * A `startTransition` instruction requests to execute a specific sequence flow. |
**activity_id** | Option<**String**> | **Can be used with instructions of types** `startBeforeActivity` and `startAfterActivity`. Specifies the sequence flow to start. | [optional]
**transition_id** | Option<**String**> | **Can be used with instructions of types** `startTransition`. Specifies the sequence flow to start. | [optional]
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