Error due to fetchData function from WebSocketV2

[greatworld]

When i use fetchData function from WebSocketV2 instance then it gives the error that i have provided in photo

code :
web_socket.fetchData({
correlationID: "abcde12345",
action: 1,
params: {
mode: 1,
tokenList: [
{
exchangeType: 1,
tokens: ["10626", "5290"],
},
{
exchangeType: 5,
tokens: ["234230", "234235", "234219"],
},
],
},
});

I think this error is due to the way it's fetching in websocket2.0.js file,
it's fetch value as const { correlationID, action, mode, exchangeType, tokens } = json_req; but in documentation it is written as {
"correlationID": "abcde12345",
"action": 1,
"params": {
"mode": 1,
"tokenList": [
{
"exchangeType": 1,
"tokens": [
"10626",
"5290"
]
},
{
"exchangeType": 5,
"tokens": [
"234230",
"234235",
"234219"
]
}
]
}
}

I request you please provide appropriate solution.

[Moderator_2]

Hi @greatworld

Apologies for the delayed response.
Kindly find below working code to fetch data. Please verify and let us know if this helps.

Code Snippet:
let web_socket = new WebSocketV2({
jwttoken: 'jwt_token',
apikey: 'api_key',
clientcode: 'client_code',
feedtype: 'feed_token',
});

web_socket.connect().then((res) => {
let json_req = {
correlationID: 'abcde12345',
action: 1,
mode : 1,
exchangeType: 5,
tokens: ["234230", "234235", "234219"],
};
web_socket.fetchData(json_req);
web_socket.on('tick', receiveTick);
function receiveTick(data) {
console.log('receiveTick:::::', data);
}
});

Regards,
SmartAPI team