Please note that this SDK relates to LivePersons legacy chat product which receives limited support and will be deprecated in the future.

It is recommended to build future integrations on top of the corresponding messaging SDK instead.

Sends a chat line to the agent. The response will echo the line sent.


  • This line will also appear in the next onLine event.
  • It is recommended to pass in success and error callbacks to his method in order to validate that the line has been sent.



Value Description Type Required Notes
text The string the visitor typed to send to the agent. string Required This will always be treated as a string for security purposes, so even HTML will be deciphered as a string on the agent's side.

Sample code

var failedRequest = myChat.addLine({
    text: "Hello, can you help me?",
    success: myChat.lineAdded,
    error: myChat.lineFailed,
    context: myChat

if (failedRequest && failedRequest.error) {


Sample response

{ "text": "Hello, can you help me?" }