Legacy: Send messages in legacy chat How to send messages in legacy chat. To chat with other users that have joined the conversation, enter your message in the text field at the bottom of the window and press Enter. The message appears in the other users' chat windows. To send a link, type the full URL (example, http://www.service-now.com). When the message is sent, the text appears blue and any user in the conversation can click it to follow the link. To send a smiley face, type a colon followed by a close parentheses (:)). When the message is sent, a smiley face () appears in place of the text. For more emoticons, see Sending Emoticons in Messages (Smileys). Chat activity is indicated with the following alerts: When a new message is posted to an inactive browser tab, the tab name blinks. When a new message is posted to an inactive chat window, the window header appears in yellow and blinks. When a user joins or leaves a room, a message appears in the other room members' chat windows.