# Requirements

Requirement types provided by the Items plugin.

| Requirement Type                          | Description                                                 |
| ----------------------------------------- | ----------------------------------------------------------- |
| `HasEmptyInventorySlotRequirementType`    | Inventory must have at least one empty slot.                |
| `HasEquipmentSlotEquippedRequirementType` | A specific equipment slot must have an item equipped.       |
| `HasItemEquippedRequirementType`          | A specific item must be equipped.                           |
| `HasItemInInventoryRequirementType`       | A specific item must be in inventory (with quantity check). |
| `HasWeaponTypeEquippedRequirementType`    | A specific weapon type must be equipped.                    |

See [Triggers & Requirements](https://github.com/ThomasBlinkStudios/spark_documentation/blob/main/developer-guide/core-systems/triggers-and-requirements.md) for how to create custom requirement types.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.sparkframework.dev/documentation/developer-guide/plugins/items/requirements.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.