# ItemModeTransition

> Kinbarrow modding reference — content tree `4a103dcdb658a75a`, version `0.2.0+main.e011511f4`.

[Effects and mechanisms](https://kinbarrow.com/modding/latest/mechanisms.md)

Used by [MagicItem](https://kinbarrow.com/modding/latest/magic-item.md#item-mode-transition).

This is a nested shape inside a content file. The catalog explains context validation and links real RON examples.

The economy and physical gate for one explicit mode transition.

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `charge_cost` | `uint8` | default `0` | Charges spent only after the selected concrete item's ledger changes. |
| `economy` | `ItemModeEconomy` | required | Turn resource spent by this transition. |
| `requires` | `ItemModeRequirement` | required | Required relationship between bearer and concrete item. |


## Supporting shapes

- [ItemModeEconomy](https://kinbarrow.com/modding/latest/mechanisms/magic-item/item-mode-economy.md)
- [ItemModeRequirement](https://kinbarrow.com/modding/latest/mechanisms/magic-item/item-mode-requirement.md)