...
Preconditions allow you to execute a post function under certain circumstances only. This allows you to create complex behaviour on your post functions, enabling you Jira to let Jira perform more work harder for you.
In JSU for Jira Cloud , preconditions are a part of the post function.
...
Combine several Preconditions
You can insert multiple precondition preconditions and combine them using the following operators:
...
They are evaluated sequentially, combining the result of the previous precondition with the result from the current one. Parentheses to configure precedence are not supported.
You can also rearrange the precondition by dragging the line using the handle on the left.
...