gitlab-org--gitlab-foss/doc/system_hooks/system_hooks.md

Your GitLab instance can perform HTTP POST requests on the following events: create_project, delete_project, create_user, delete_user and change_team_member.

System hooks can be used, e.g. for logging or changing information in a LDAP server.

Hooks request example:

Project created:

{
          "created_at": "2012-07-21T07:30:54Z",
          "event_name": "project_create",
                "name": "StoreCloud",
         "owner_email": "johnsmith@gmail.com",
          "owner_name": "John Smith",
                "path": "stormcloud",
 "path_with_namespace": "jsmith/stormcloud",
          "project_id": 74,
}

Project destroyed:

{
          "created_at": "2012-07-21T07:30:58Z",
          "event_name": "project_destroy",
                "name": "Underscore",
         "owner_email": "johnsmith@gmail.com",
          "owner_name": "John Smith",
                "path": "underscore",
 "path_with_namespace": "jsmith/underscore",
          "project_id": 73,
}

New Team Member:

{
     "created_at": "2012-07-21T07:30:56Z",
     "event_name": "user_add_to_team",
 "project_access": "Master",
     "project_id": 74, 
   "project_name": "StoreCloud",
   "project_path": "storecloud", 
    "user_email": "johnsmith@gmail.com",
     "user_name": "John Smith",
}

Team Member Removed:

{
     "created_at": "2012-07-21T07:30:56Z",
     "event_name": "user_remove_from_team",
 "project_access": "Master",
     "project_id": 74, 
   "project_name": "StoreCloud",
   "project_path": "storecloud", 
    "user_email": "johnsmith@gmail.com",
     "user_name": "John Smith",
}

User created:

{ 
   "created_at": "2012-07-21T07:44:07Z",
        "email": "js@gitlabhq.com",
   "event_name": "user_create",
         "name": "John Smith", 
      "user_id": 41 
}

User removed:

{ 
   "created_at": "2012-07-21T07:44:07Z",
        "email": "js@gitlabhq.com",
   "event_name": "user_destroy",
         "name": "John Smith",
      "user_id": 41 
}