extend type RootMutation {
  """
  **BETA** Add assignees to an existing `WorkflowTask`. Requires `basic:write` scope to be accessible and `Project` permission level `EDIT`.
  """
  addWorkflowTaskAssignees(
    """**BETA** `AddWorkflowTaskAssignees` input argument."""
    input: AddWorkflowTaskAssigneesInput!
  ): AddWorkflowTaskAssignees
}