---
id: fast-element.fastelementdefinition.propertylookup
title: FASTElementDefinition.propertyLookup property
hide_title: true
---
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[@microsoft/fast-element](./fast-element.md) &gt; [FASTElementDefinition](./fast-element.fastelementdefinition.md) &gt; [propertyLookup](./fast-element.fastelementdefinition.propertylookup.md)

## FASTElementDefinition.propertyLookup property

A map enabling lookup of attribute by associated property name.

<b>Signature:</b>

```typescript
readonly propertyLookup: Record<string, AttributeDefinition>;
```