User = function(user_id, user_name, profile_id, session_type, component_bit, chat_type){
  this.user_id = user_id;
  this.user_name = user_name;
  this.profile_id;
  this.session_type = session_type;
  this.component_bit = component_bit;
  this.chat_type = chat_type;  
};