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url: /api/kiln/interfaces/Phase.md
---
[Kiln API](../../index.md) / [kiln](../index.md) / Phase

# Interface: Phase

A slot in the frame. Systems get their phase when added: `app.add(Fixed, Movement)`.

## Properties

| Property | Modifier | Type | Description |
| ------ | ------ | ------ | ------ |
|  `[$phase]` | `readonly` | `true` | - |
|  `name` | `readonly` | `string` | - |
|  `order` | `readonly` | `number` | - |
|  `block` | `readonly` | `number` | Event cleanup cadence this phase's emits belong to. |
