> For the complete documentation index, see [llms.txt](https://alessandro-cristoffer.gitbook.io/inventory-system-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://alessandro-cristoffer.gitbook.io/inventory-system-docs/overview/item-struct-fitem.md).

# Item Struct (FItem)

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**GitBook tip:** A succinct video overview is a great way to introduce folks to your product. Embed a Loom, Vimeo or YouTube video and you're good to go! We love this video from the fine folks at Loom as a perfect example of a succinct feature overview.
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## Overview

A lightweight container representing an item in the inventory, including stack count and reference to its definition.

**Key Methods:**

* `IsValid()`: Checks if the item is valid.
* `CanStack()`: Returns true if the stack isn't full.
* `GetStackSpace()`: How many more items can be stacked.
* `AddQuantity(uint8 Amount)`: Adds to the stack, returns remainder.
* `RemoveQuantity(uint8 Amount)`: Removes from the stack, returns actual amount removed.