# ~~Function: doesCollectionFollowProductProtocol()~~

> **doesCollectionFollowProductProtocol**(`collection?`): `boolean`

Defined in: [packages/bitbadgesjs-sdk/src/core/products.ts:145](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/products.ts#L145)

## Parameters

### collection?

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

## Returns

`boolean`

## Deprecated

Use doesCollectionFollowProductCatalogProtocol or validateProductCatalogCollection instead.
This legacy check only supports single-product collections (tokenIds 1-1).