Update a State in a Bundle
POST /admin/customfield/stateBundle/{bundleName}/{stateName}
Update state
POST /rest/admin/customfield/stateBundle/{bundleName}/{stateName}?{newName}&{isResolved}&{description}&{colorIndex}
Sample
POST http://localhost:8081/rest/admin/customfield/stateBundle/States%20Bundle1/Uvalue1?newName=New+State+of+US&isResolved=true&description=I+am+a+new+description
Cookie: $Version=0; JSESSIONID=1xubq236wmpbd14yd1mhq4jcrw; $Path=/; jetbrains.charisma.main.security.PRINCIPAL=NDgxMzQ5NGQxMzdlMTYzMWJiYTMwMWQ1YWNhYjZlN2JiN2FhNzRjZTExODVkNDU2NTY1ZWY1MWQ3Mzc2NzdiMjpyb290; $Path=/
HTTP/1.1 301 Moved Permanently
Content-Type: application/xml;charset=UTF-8
Location: https://example.com/youtrack/rest/admin/customfield/stateBundle/States%20Bundle1/New%20State%20of%20US
Content-Length: 0
Server: Jetty(7.2.0.v20101020)
Last modified: 2 February 2017