Update an issue
Updates an existing issue. Set the columns you want to change (Summary, Description, Labels, DueDate, etc.) and identify the issue with IssueIdOrKey in WITH or in a WHERE clause. Optional WITH parameters control notifications and security overrides.
UPDATE Issues
SET Summary = 'This is my summary'
,Description = 'Lot''s of stuff to describe'
,Labels = '[ "bugfix" ]'
,DueDate = '2029-10-10'
--WHERE Id=1234
--WHERE Id='ISSKEY'
WITH (
IssueIdOrKey='ISSKEY', --or use Id in where clause
Output=1,
NotifyUsers=0,
OverrideScreenSecurity=0,
OverrideEditableFlag=0,
ContinueOn404Error=0
)'