rc-js-util/docs/rc-js-util.stableidstore.getid.md

A collection of TS and C++ utilities to help writing performant and correct applications, achieved through strict typing and (removable) invariant checking.

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[Home](./index.md) &gt; [rc-js-util](./rc-js-util.md) &gt; [StableIdStore](./rc-js-util.stableidstore.md) &gt; [getId](./rc-js-util.stableidstore.getid.md)

## StableIdStore.getId() method

**Signature:**

```typescript
getId(key: IdSpecialization | IdCategory): number;
```

## Parameters

<table><thead><tr><th>

Parameter


</th><th>

Type


</th><th>

Description


</th></tr></thead>
<tbody><tr><td>

key


</td><td>

[IdSpecialization](./rc-js-util.idspecialization.md) \| [IdCategory](./rc-js-util.idcategory.md)


</td><td>


</td></tr>
</tbody></table>
**Returns:**

number