timestampFieldString(default: "timestamp")
Specifies the field name in the data source from which the message timestamp will be read.
Example
<div id="chat"></div>
<script>
let messagesData = [
    { 
        id: 1, 
        text: "Hello!", 
        authorId: "user1", 
        authorName: "John",
        createdAt: new Date() 
    }
];
$("#chat").kendoChat({
    timestampField: "createdAt",
    dataSource: messagesData
});
</script>
In this article