What is FEED_TOKEN in websocket connection?

Code

let { SmartAPI, WebSocket } = require("smartapi-javascript");

let smart_api = new SmartAPI({
    api_key: appConfig.angel.marketApiKey,    // PROVIDE YOUR API KEY HERE"
});

smart_api.generateSession(appConfig.angel.clientId, appConfig.angel.clientPwd)
    .then((data: any) => {
        return smart_api.getProfile();
    })
    .then((data: any) => {
        // Profile details
        console.log(data);
    })
    .catch((ex: any) => {
        //Log error
        console.log(ex);
    })

    // TO HANDLE SESSION EXPIRY, USERS CAN PROVIDE A CUSTOM FUNCTION AS PARAMETER TO setSessionExpiryHook METHOD
    smart_api.setSessionExpiryHook(customSessionHook);

    function customSessionHook() {
        console.log("User loggedout");
        
        // NEW AUTHENTICATION CAN TAKE PLACE HERE
    }

Error

User loggedout
{
  success: false,
  message: 'Invalid Token',
  errorCode: 'AG8001',
  data: ''
}

Client ID: N174188

@admin

@nisha said in USER ID OR PASSWORD IS INVALID , error code : 'AB1007':

@admin
Hi Team,
Kindly migrate my account too: N174188

@admin

Hi Team,

Kindly migrate my account too: N174188

@admin

Hi Team,

Kindly migrate my account too: N174188

@admin

Upgrade my account too N174188 plese

Hi Team,

Kindly migrate my account too: N174188

@admin

Hi Team,

Kindly migrate my account too: N174188

Hi Team,

Kindly migrate my account too: N174188

Hi Team,

Kindly migrate my account too: N174188

Hi Team,

Please migrate my user id N174188