---
url: /reference/@cssdoc/cssdoc/functions/elementUsage.md
---
# Function: elementUsage()

```ts
function elementUsage(usage, index): Diagnostic[];
```

Defined in: [packages/providers/src/aspects.ts:1241](https://github.com/thedannywahl/cssdoc/blob/main/packages/providers/src/aspects.ts#L1241)

A component class used on an element disallowed by the record's default `@element` profile.

## Parameters

### usage

[`ClassUsage`](../../index/interfaces/ClassUsage.md)

### index

[`CssDocIndex`](../../index/classes/CssDocIndex.md)

## Returns

[`Diagnostic`](../interfaces/Diagnostic.md)\[]