# getSourceObjectToken

```ts
function getSourceObjectToken(source): number;
```

Defined in: [packages/db/src/live-query-adapter.ts:76](https://github.com/TanStack/db/blob/main/packages/db/src/live-query-adapter.ts#L76)

A process-unique number for a source object, without retaining it.

## Parameters

### source

`object`

## Returns

`number`