Your GitLab instance can perform HTTP POST requests on the following events: `project_create`, `project_destroy`, `user_add_to_team`, `user_remove_from_team`, `user_create`, `user_destroy`, `key_create`, `key_destroy`, `group_create`, `group_destroy`, `user_add_to_group` and `user_remove_from_group`.
Your GitLab instance can perform HTTP POST requests on the following events: `project_create`, `project_destroy`, `project_rename`, `project_transfer`, `user_add_to_team`, `user_remove_from_team`, `user_create`, `user_destroy`, `key_create`, `key_destroy`, `group_create`, `group_destroy`, `user_add_to_group` and `user_remove_from_group`.
System hooks can be used, e.g. for logging or changing information in a LDAP server.