Atlas App Services API (3.0) regional deployment

I’m using the Atlas App Services API (3.0). When creating an app via API with the endpoint https://realm.mongodb.com/api/admin/v3.0/groups/{groupId}/apps the app gets deployed globally. However I want to do a regional deployment (Ireland region). This is possible via the UI, but I can’t find anything relate to the deployment region in the App Services API documentation (except getting a list of possible regions)