CRM adds to JIRA several usefull custom fields:
- Custom field - CRM Company
- Custom field - CRM Contact
- Custom field - CRM Property
- Custom field - Contacts CRM
- Custom field - CRM Products & Services
- Custom field - CRM Custom Directory
- Custom field - CRM Select Custom Field
- Custom Field - Issue Picker
- Custom field - CRM Transactions
- Custom Field - CRM Companies Select
- Company/Contact issue fields format
- Custom Field - CRM Products Select / CRM Single Product Select
To add the desired field just select its type, name, project and issue type where you want it to be displayed.