Problems with field suborders - WCMP X Bitrix

Hello good day,
I need bitrix integration to map the sellers field to multiorder requests.
Today we do not have the information in the child orders, I need them to bring the information from the seller.
Follows images.
Today in the parent request, he brings the VENDOR ID information, but it would be interesting for him to bring us the names of the sellers as shown in wcmp.
Thank you very much in advance.