<Use case description>
Create a multi-line text custom field
Name: Status Update
Name: Current status
Name: Status History
Go to the Field configuration and set the renderer of the 3 custom fields to "Wiki Style Renderer".
Add to the newly created transition the Fields required or changed validator.
Status Update
Is required
Message to show when validation fails
Please enter a status update!
Once set up, the validator should look something like this:
SCREENSHOT
Choose Current issue
Current Status field
Choose Current Status
Set it to Advanced and use the following expression
"*" + dateTimeToString({system.currentDateTime}, "yyyy-MM-dd", USER_LANG) + "* - *" + %{system.currentUserFullName} + "*\n" + %{issue.cfnnnnn}
%{issue.cfnnnnn} is the field code for the field Status Update
Status History field
Choose Status History
%{issue.cfaaaaa} + "\n\n" + %{issue.cfbbbbb}
%{issue.cfaaaaa} is the field code for the field Current Status
%{issue.cfbbbbb}is the field code for the field Status History
Status Update field
Choose Status Update
Choose Clear field value
Choose Current user
<link to function being used>
<Short description of use case>