Configure Expressions Text Custom Field
Expressions Text Custom Field used to calculate the text field values using Jira Expressions.
Configuring the Expressions Text Custom Field
- Search the Custom field name, Click on the “Three“ dots. 
- Go to contexts & default value. 
- User will see a page similar to the following example 
- Click on the Edit custom field config to configure the Jira expression. 
- Add the Jira Expression. 
- Click the Submit button, and the Jira Expression will be added to the configuration. 
NOTE: This field is made it as read only so while creating issue it will not appear
Testing the Expressions Text Custom Field
- Navigate to create an issue and add the required field values. 
- In the Issue view, User can see the calculated field value.