ITEM_ID can only contain characters: [ _ - 0-9 a-z A-Z ] and be a maximum of 36 characters long. ITEMGROUP_ID can only contain characters: [ _ - 0-9 a-z A-Z ] and be a maximum of 36 characters long. PRODUCTNAME can be a maximum of 200 characters long. URL can be a maximum of 255 characters long. IMGURL can be a maximum of 255 characters long. IMGURL_ALTERNATIVE can be a maximum of 255 characters long. SPECIAL_SERVICE can be a maximum of 128 characters long.