These endpoints allow the management of workflow processes and tasks.

HTTP Method as of product version	Purpose	Response Format	Description
	Manage Process Definitions
GET as of 2021 Autumn	Retrieve a list of process definitions	JSON	Retrieves a list of process definitions matching the conditions defined in various query parameters. /bpm-engine/api/process-definitions
GET as of 2021 Autumn	Retrieve a process definition by ID	JSON	Retrieves the process definitions specified by `processDefinitionId`. /bpm-engine/api/process-definitions/{processDefinitionID}
	Manage Process Instances
GET as of 2021 Autumn	Retrieve all processes for the user	JSON	Retrieves a list of processes of the currently active user that are matching the conditions defined in various query parameters. /bpm-engine/api/processes
POST as of 2021 Autumn	Start a process	JSON	Starts a process specified in a JSON structure in the request body. /bpm-engine/api/processes
GET as of 2021 Autumn	Retrieve a process instance	JSON	Retrieves the process instance specified by `processInstanceId`. /bpm-engine/api/processes/{processInstanceId}
DELETE as of 2021 Autumn	Delete a process instance	HTTP status code	Deletes the process instance specified by `processInstanceId`. /bpm-engine/api/processes/{processInstanceId}
GET as of 2021 Winter	Retrieve the history of a process instance	JSON	Retrieves the history of the process instance specified by `processInstanceId`. /bpm-engine/api/processes/{processInstanceId}/history
	Manage Tasks
GET as of 2021 Autumn	Retrieve a list of tasks	JSON	Retrieves a list of tasks of the currently active user that are matching the conditions defined in various query parameters. /bpm-engine/api/tasks
GET as of 2021 Autumn	Retrieve a task by ID	JSON	Retrieves the task specified by `taskId`. /bpm-engine/api/tasks/{taskId}
POST as of 2021 Autumn	Perform an action on a task	JSON	Performs an action defined in the request body on the task specified by `taskId`. /bpm-engine/api/tasks/{taskId}
POST as of 2021 Winter	Create a comment	JSON	Creates a comment with the message specified in the plain text request body for the task specified by `taskId`. It will be included in the process instance's history. /bpm-engine/api/tasks/{taskId}/comment

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