The handler components use input to trigger the Ultimate Inventory System API. The handles use the PlayerInput component which adds an abstraction level that allows to swap out the input system without needing to rewrite any code.

Display Panel Manager Handler

Used to open and close panels.

Usable Equipped Item Handler

Allows you to setup the input to use the equipped Usable Item Object when using the default Ultimate Inventory System Equipping System.

Inventory Interactor

The Inventory Interactor has the option to be triggered using a input.

Hotbar Handler

Has inputs to use an item in a specific slot.

Item View Slot Container Item Action Handler

Allows you to map an input to an Item Action and trigger it for the selected Item View Slot.

Grid Base

The base class of the Item Info Grid and other gird components. It deals with the input to go to the next or previous tab.