https://docs.cloud.google.com/dotnet/docs/reference/Google.Cloud.AppEngine.V1/latest/Google.Cloud.AppEngine.V1.DomainMappings
App Engine v1 API - Class DomainMappings (2.5.0) | .NET client libraries | Google Cloud...
https://docs.cloud.google.com/nodejs/docs/reference/appengine-admin/latest/appengine-admin/protos.google.appengine.v1.domainmappings-class
Class protos.google.appengine.v1.DomainMappings (3.2.0) | Node.js client libraries | Google Cloud...
https://docs.cloud.google.com/appengine/docs/admin-api/reference/rest/v1beta/apps.domainMappings/create
Method: apps.domainMappings.create | App Engine Admin API | Google Cloud Documentation
create appadmin apigoogle cloudmethodapps
https://docs.cloud.google.com/appengine/docs/admin-api/reference/rest/v1/apps.domainMappings/create
Method: apps.domainMappings.create | App Engine Admin API | Google Cloud Documentation
create appadmin apigoogle cloudmethodapps