|  Developer
Updated on November 22, 2021


  • Initializes a “keep-alive” connection to deliver WebSocket broadcasts to a client. Supports only one-way requests.



Key Value Description
Authorization Basic + base64 id of user id and access token A user id and access token in the basic scheme according to standard of Basic HTTP authorization. This header is more priority as user and token pair.
login Id of a user UUID of a user( the same as user in a hub.offline.login.ui request )
token Access token Access token from cloud( the same as token in a hub.offline.login.ui request )
HTTP Status Code Case Description
401 If user or token header missed or it has incorrect values
429 If a controller has more then 100 “opened” requests now