You can set post-functions based on CRM custom fields in workflow configurations:
| Post-Function name | Description |
|---|---|
| CRM function to clone issue based on Conditions set in workflow's transition | |
| CRM Copy Contacts to Users Postfunction | Function to copy contacts from the issue company field to a users picker field |
| CRM copy field value function | CRM function to copy value from a CRM field to Jira field |