This page explains what hotbars are, how to create them, and how to set them up properly.

Hotbars

Hotbars are special kinds of Inventory Displays. They extend that base class to add key binding shortcuts to activate an action (use or equip) on the items in it. A good example of a use case is the potion hotbar in Diablo 2. In the PixelRogue demo provided with the asset, there is an example of a Bomb hotbar. All bombs you pickup in the levels will go stack into that inventory, and you can detonate them using space (or joystick button 0).

Jekyll
The Hotbar dedicated inspector

Creating a hotbar is exactly the same as creating an InventoryDisplay, except you’ll need to add an InventoryHotbar component instead of an InventoryDisplay one.