pro_id = "ID product [string]"
pro_reference = "Product reference [string][required]"
available_date = "Available date [0000-00-00]"
wholesale_price = "Wholesale price netto [float]"
price = "Product price impact [float]"
vat_percentage = "Price - Tax (%) [float]"
weight = "product weight impact [float]"
unit_price_impact = "unit price impact netto [float]"
reference = "Combination product reference [string][required]"
supplier_reference = "Combination supplier reference [string]"
ean13 = "Code EAN-13 for combination [string]"
upc = "Code UPC for combination [string]"
minimal_quantity = "Minimal product quantity [int]"
quantity = "Product quantity [int]"
set_as_default = "Set as default combination for this product [1/0]"
img_url = "Image - url address [string]"
attr_group = "Attribute - name [string]"
attr_value = "Attribute - value [string]"
attr_type = "Attribute - type [select|radio|color]"
attr_texture = "Attribute - texture [url address]"
attr_color = "Attribute - color [#xxxxxx]"