The Filter Block is used by the Filter List Block to list out all item filters. It's best to create a prefab of this and assign it to a filter list block.
You can add the default design to your scene by right-clicking in the hierarchy and navigating to Inventool > Blocks > Filter Block.
Properties
Name
Description
Button
The button component.
Icon Display
A block that displays the icon of the item type.
Preferred Sprite Identifier
The identifier of the preferred sprite to display.