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[BlockSuite API Documentation](../../../../README.md) / [@blocksuite/block-std](../../README.md) / [gfx](../README.md) / convert

# Function: convert()

> **convert**\<`V`, `T`\>(`fn`): (`_`, `context`) => `ClassAccessorDecoratorResult`\<`T`, `V`\>

The convert decorator is used to convert the property value before it's
set to the Y map.

Note:
1. This decorator function will not execute in model initialization.

## Type Parameters

### V

`V`

### T

`T` *extends* `GfxPrimitiveElementModel`\<`BaseElementProps`\>

## Parameters

### fn

(`propValue`, `instance`) => `unknown`

## Returns

`Function`

### Parameters

#### \_

`unknown`

#### context

`ClassAccessorDecoratorContext`

### Returns

`ClassAccessorDecoratorResult`\<`T`, `V`\>