framePosition - 0 (this is the beginning of the page)
frameSize - maximum 200. this is the number of products on the page. you can request a maximum of 200 products in one request
to request further, specify:
framePosition: 200 (this is the beginning of the page)
frameSize: 200 (for example)
to request further, specify:
framePosition: 400 (this is the beginning of the page)
frameSize: 200 (for example)