useDataMessage

The useDataMessage hook allows you to send and receive messages to and from other peers in the room.

const {
    sendData
  } = useDataMessage({
    onMessage(payload, from, label) {},
  });

Props

The useDataMessage hook accepts an object with the following fields as props.

1. onMessageOptional

Description	Return Type
This function will be called when you receive a data message from any other peer in the room.	void

Parameter Name	Type	Description	Required
payload	string	The message string.	Yes
from	string	The peerId of the sender.	Yes
label	string	An optional label field for the message.	No

Example Usage

const dataMessage = useDataMessage({ onMessage: (payload, from, label) => {
	console.log("Received a message!");
	console.log("Message: ", payload);
    console.log("Sender: ", from);
    if(label) console.log("Label: ", label);
    // your code here
}});

Returns

The useDataMessage hook returns an object with the following fields.

1. sendDataFunction

Description	Return Type
Send a message to other peers in the room.	Promise<Room>

Parameter Name	Type	Description	Required
data	{ to: string[] \| "*"; payload: string; }	Object containing the message to be sent (payload) and an array of peerIds to send the message to (you can use a "*" to denote all peers in the room).	Yes

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