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Execute Modification

Executes a modification synchronously for multiple process instances. To modify a single process instance, use the Modify Process Instance Execution State method. To execute a modification asynchronously, use the Execute Modification Async (Batch) method.

For more information about the difference between synchronous and asynchronous execution of a modification, please refer to the related section of the user guide.

Method

POST /modification/execute`

Parameters

Request Body

A JSON object with the following properties:

Name Description

processDefinitionId The id of the process definition for the modification

skipCustomListeners Skip execution listener invocation for activities that are started or ended as part of this request.

skipIoMappings Skip execution of input/output variable mappings for activities that are started or ended as part of this request.

processInstanceIds A list of process instance ids to modify.

processInstanceQuery A process instance query like the request body described by POST /process-instance .

instructions

A JSON array of modification instructions. The instructions are executed in the order they are in. An instruction may have the following properties:

type	Mandatory. One of the following values: `cancel`, `startBeforeActivity`, `startAfterActivity`, `startTransition`. A `startBeforeActivity` and `cancel` instructions request 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.
activityId	Can be used with instructions of types `startBeforeActivity`, `startAfterActivity`, and `cancel`. Specifies the activity the instruction targets.
transitionId	Can be used with instructions of type `startTransition`. Specifies the sequence flow to start.
cancelCurrentActiveActivityInstances	Can be used with instructions of type `cancel`. Prevents the deletion of new created activity instances.

Result

This method returns no content.

Response codes

Code	Media type	Description
204		Request successful.
400	application/json	In case following parameters are missing: instructions, processDefinitionId, activityId or transitionId, processInstanceIds or processInstanceQuery, an exception of type `InvalidRequestException` is returned. See the Introduction for the error response format.

Example

Request

POST /modification/execute

Request Body:

{
  "processDefinitionId" : "aProcessDefinitionId",
  "instructions": [
    {
      "type": "startAfterActivity",
      "activityId": "aUserTask"
    },
    {
      "type": "cancel",
      "activityId": "anotherTask",
      "cancelCurrentActiveActivityInstances" : true
    }
  ],
  "processInstanceIds": [
    "aProcessInstance",
    "anotherProcessInstance"
  ],
  "processInstanceQuery": {
    "processDefinitionId": "aProcessDefinitionId"
  },
  "skipCustomListeners": true
}

Response

Status 204. No content.

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