sessionId | String Session ID for the WebSocket session for which you want to send the pong message. |
applicationData | String Optional. The application data to be sent as part of the pong message. If the parameter value is null an empty buffer will be sent. |
charset | String Optional. The character encoding. If the parameter value is null, the default character set is used. |
ponged | String Conditional. Indicates the success or failure of the pong message. This parameter returns a value of true if the pong message is received successfully. Else the parameter returns the value of false. |