# Requirements

Requirement types provided by the Classes plugin.

| Requirement Type                   | Description                                            |
| ---------------------------------- | ------------------------------------------------------ |
| `HasClassRequirementType`          | Player must have a specific class (main or secondary). |
| `HasSecondaryClassRequirementType` | Player must have a specific secondary class.           |
| `MainClassRequirementType`         | Player's main class must be a specific class.          |

See [Triggers & Requirements](/documentation/developer-guide/core-systems/triggers-system.md) for how to create custom requirement types.


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