Just type / together with 1 of the 29 commands, like /af for adding a friend.

Tip: By typing /h in chat, you get the overview of all commands.

● /lockedslot – Display the list of unfinished quests and achievements that provide inventory slots
● /say – Send a private message to another player (will opening a message box)
● /addfriend /af – Ask a player to join your friend list
● /commands /h – Display the list of commands
● /connectagree /cag – Enable friend login notifications
● /connectrefuse /cre – Disable friend login notifications
● /guildchat /g – Send a message to guild members
● /guildinvite /gi – Invite a player to join your guild
● /ignore /ig – Ignore a player (The list of ignored players with /ig and /uig commands are saved per character and will stay between sessions.)
● /ignorelist /igl – Display ignored players
● /messengeragree /mag – Enable friend invites
● /messengerrefuse /mre – Disable friend invites
● /partychat /p – Send a message to party members
● /partyinvite /pi – Invite a player to join your party
● /position /pos – Display your current position
● /shout /s – Shout a message around you (The Flyff Shop item  “Channel Shout” allows you to shout a single message across the whole channel.  “Server Shout” allows you to shout a single message across all channels.)
● /shoutagree /ha Enable shout messages
● /shoutrefuse /hr – Disable shout messages
● /stageagree /gag – Enable party invites
● /stagerefuse /gre – Disable party invites
● /teamchat /t – Send a message to team members (for Kalgas Assault)
● /time /ti – Display local and server times
● /trade/tr – Ask a player to trade
● /tradeagree /tag – Enable trades
● /traderefuse /tre – Disable trades
● /unignore /uig – Unignore a player
● /whisper /w – Whisper a message to another player
● /whisperagree /wag – Enable private messages
● /whisperrefuse /wre – Disable private messages