Follow these steps to create a new issue type and link type for the Goal Mapping feature in the Data Center.
Create a new issue type to map with the goal
Go to Settings → Issues
Find the Issue types section, select Issues types → Add issue type
Enter the issue Name and Description
Create a new issue link to map with the goal
This one will mark the relationship between epics and goals. (Jira admin permission is required)
Go to Settings → Issues
Find the Issue features section, select Issue linking → Add New Link Type
Open the Story Map & turn on the Goal Mapping
Go to Admin Settings → Goals setting
Turn on Map Goals with Jira Issue Type option
Issue type: Select issue type mapping with goals
Link type: Select issue link type mapping with goals
Save: Save the setting
Once saved, all relationships between goals and epics may be lost. Make sure you know what you're doing. We do not recommend this action if your board is currently big.
Migrate: Migrate the goals with the issue type
Select existing issue & map with the goal
Create a new issue & map with the goal