code: def self(self) -> 'EFBChat':
          
          self.chat_name = "You"
          self.chat_alias = None
          self.chat_uid = EFBChat.SELF_ID
          self.chat_type = ChatType.User
          return self
docs: Set the chat as yourself.
          In this context, "yourself" means the user behind the master channel.
          Every channel should relate this to the corresponding target.
  
          Returns:
              EFBChat: This object.