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Class: SocketModeClient

A Socket Mode Client allows programs to communicate with the Slack Platform's Events API over WebSocket connections. This object uses the EventEmitter pattern to dispatch incoming events and has a built in send method to acknowledge incoming events over the WebSocket connection.

Extends​

Constructors​

new SocketModeClient()​

new SocketModeClient(__namedParameters): SocketModeClient

Parameters​

• __namedParameters: SocketModeOptions = ...

Returns​

SocketModeClient

Overrides​

EventEmitter.constructor

Defined in​

packages/socket-mode/src/SocketModeClient.ts:95

Properties​

websocket?​

optional websocket: SlackWebSocket;

The underlying WebSocket client instance

Defined in​

packages/socket-mode/src/SocketModeClient.ts:65

Methods​

disconnect()​

disconnect(): Promise<void>

End a Socket Mode session. After this method is called no messages will be sent or received unless you call start() again later.

Returns​

Promise<void>

Defined in​

packages/socket-mode/src/SocketModeClient.ts:204

onWebSocketMessage()​

protected onWebSocketMessage(data, isBinary): Promise<void>

onmessage handler for the client's WebSocket. This will parse the payload and dispatch the application-relevant events for each incoming message. Mediates:

  • raising the State.Connected event (when Slack sends a type:hello message)
  • disconnecting the underlying socket (when Slack sends a type:disconnect message)

Parameters​

• data: RawData

• isBinary: boolean

Returns​

Promise<void>

Defined in​

packages/socket-mode/src/SocketModeClient.ts:284

start()​

start(): Promise<AppsConnectionsOpenResponse>

Start a Socket Mode session app. This method must be called before any messages can be sent or received, or to disconnect the client via the disconnect method.

Returns​

Promise<AppsConnectionsOpenResponse>

Defined in​

packages/socket-mode/src/SocketModeClient.ts:161