JMESPath is a query language for JSON used to filter API results and to limit which repositories are integrated.
Read about JMESPath expressions on their website.
There are two ways to access the JMESPath settings in Git Integration for Jira Cloud:
From the Add integration ➜ Git service integration wizard of the supported git host ➜ Connection screen ➜ Advanced ➜ JMESPath filter.
This feature is accessible with supported git services on the Full feature integrations panel.
Manage Git repositories page ➜ Actions ➜ Edit integration settings ➜ Integration settings ➜ JMESPath Filter.
This feature is accessible with supported git services on repository or integration connections.