code: func (s *IssueService) DoTransition(ticketID, transitionID string) (*Response, error) {
  	payload := CreateTransitionPayload{
  		Transition: TransitionPayload{
  			ID: transitionID,
  		},
  	}
  	return s.DoTransitionWithPayload(ticketID, payload)
  }
docs: // DoTransition performs a transition on an issue.
  // When performing the transition you can update or set other issue fields.
  //
  // JIRA API docs: https://docs.atlassian.com/jira/REST/latest/#api/2/issue-doTransition