1 answer
Natalie Hobson
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Yes, using the "Set a field as a function of other fields" from the JIRA Workflow Toolbox plugin:
https://marketplace.atlassian.com/plugins/com.fca.jira.plugins.workflowToolbox.workflow-toolbox
Add the post function off of your create transition in workflow, and you can set the value of your custom field based off the value set in the assignee field. You'll need to associate each valid assignee with a target option of your custom field.
GaryN
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