iFlyChat JavaScript SDK has a function named 'renderLabelInChatWindow' which can be used to add custom label to chat window. You may use the function in the following manner:

iflychat.renderLabelInChatWindow({
  
  id: 'c-0', /* id of the chat room or user */
  position: 'above-chat-content', /* position of the label */
  content: 'This is a custom header in the chat window' /* label content */

});

 

This function takes a JS object as parameter which should have following properties:

Property Description
id id of the chat room or window
position position of the label inside chat window. Possible values are above-chat-content or below-chat-content
content content of the label