Up to 16 quick command chats and action shortcuts can be assigned in the inn. They can be set to the gamepad or the F1-F8/Shift + F1-F8 keys on the keyboard.
Keyboard and mouse settings can be changed from the main menu. Here, keys can be assigned to items, the equipment menu, the log, chat, the status screen, and quest menu, among other features.
Defaults:
Items
Equipment [E]
Log [L]
Chat
Status [T]
Quests [Q]