wpmdb_respond_remote_initiate

See hook in action

See this hook used in plugins:

Select Pluginwp-migrate-db.2.4.0wp-migrate-db.2.4.1wp-migrate-db.2.4.2wp-migrate-db.2.5.0wp-migrate-db.2.6.1wp-migrate-db.2.6.3wp-migrate-db.2.6.4wp-migrate-db.2.6.5wp-migrate-db.2.6.6wp-migrate-db.2.6.7wp-migrate-db.2.6.8wp-migrate-db.2.6.9wp-migrate-db.2.6.10