---
id: fast-foundation.overridefoundationelementdefinition
title: OverrideFoundationElementDefinition type
hide_title: true
---
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[@microsoft/fast-foundation](./fast-foundation.md) &gt; [OverrideFoundationElementDefinition](./fast-foundation.overridefoundationelementdefinition.md)

## OverrideFoundationElementDefinition type

A set of properties which the component consumer can override during the element registration process.

<b>Signature:</b>

```typescript
export declare type OverrideFoundationElementDefinition<T extends FoundationElementDefinition> = Partial<Omit<T, "type" | "baseClass">> & {
    prefix?: string;
};
```