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The first thing a PKSA needs to do is to open a WebSocket connection with a HAS server. Once connected, the HAS will send a connected message with additional information.


cmd: "connected",
timeout: number,
version: string,
protocol: number
  • timeout: time in seconds before the server considers requests to be expired. The default value is 60 seconds.
  • version: HAS source code version
  • protocol: HAS protocol version
A PKSA should decline to connect to a HAS infrastructure whose protocol version is greater than the one it supports.