1. Option to configure what should happen on transfer to department.
   1. Leave assigned user or not
   2. Make chat status pending or not
   3. Remove assigned user or not.
2. Option for operator to configure show alert or not then chat is transferred directly to them.
3. If chat is transferred to operator and operator opens chat directly from transfer record will be removed also.

For update just follow standard update procedure For manual update it's update_144.sql