# Function: isCollectionBid()

> **isCollectionBid**(`approval`): `boolean`

Defined in: [packages/bitbadgesjs-sdk/src/core/bids.ts:146](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/bids.ts#L146)

## Parameters

### approval

[`iCollectionApproval`](https://docs.bitbadges.io/sdk/reference/interfaces/i-collection-approval)\<`bigint`\>

## Returns

`boolean`