# Interface QueryInterface

#### Direct known implementers

Affilinet\ProductData\Requests\Helper\Query
Namespace: Affilinet\ProductData\Requests\Helper
Located at Affilinet/ProductData/Requests/Helper/QueryInterface.php

Methods summary
`public string` | # `getQuery( )` #### Returns string
`public `Affilinet\ProductData\Requests\Helper\QueryInterface`` | # `where( `Affilinet\ProductData\Requests\Helper\Expression` $expression )` #### Parameters $expression #### Returns `Affilinet\ProductData\Requests\Helper\QueryInterface`
`public `Affilinet\ProductData\Requests\Helper\QueryInterface`` | # `andWhere( `Affilinet\ProductData\Requests\Helper\Expression` $expression )` #### Parameters $expression #### Returns `Affilinet\ProductData\Requests\Helper\QueryInterface`
`public `Affilinet\ProductData\Requests\Helper\QueryInterface`` | # `orWhere( `Affilinet\ProductData\Requests\Helper\Expression` $expression )` #### Parameters $expression #### Returns `Affilinet\ProductData\Requests\Helper\QueryInterface`