I tried to add 2 script fragment (Script runner) to 1 issue type https://scriptrunner.adaptavist.com/5.6.2.1-jira8/jira/fragments/CreateConstrainedIssue.html
1 key = link-create-contact
2 key = link-create-lead
and follow the guideline to add behaviors but just 1 script run event I try to click 2 button,