If you want to overwrite the content of the fields or simply copy it from one into antother, you can use the following steps in Structure. This is possible using Effectors. Refer to Attribute to Issue Field Effector for more information.
Jira automation offers a vast majority of opportunity of tweaking Issues. One of them which is actually easy but a bit secret function is to extract a portion of a text. In my example, I tried to extract the string from a user name between parenthesis on all returned Issues by jql for a customContinue reading “Extract a portion from an “User Picker (single user)” custom field by Jira automation”