Настраиваем в insales Продвижение->Площадки->Яндекс.маркет произвольная выгрзука
Или
Товары - Товарные выгрузки
находим Яндекс-Маркет.Произвольная выгрузка
Ставим галочки выгрузки всех вариантов, выбираем все выгружаемые характеристики
Шаблон выгрузки
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE yml_catalog SYSTEM "shops.dtd">
<yml_catalog date="{{'now' | date: '%Y-%m-%dT%H:%M'}}">
<shop>
<name>{{marketplace.shop_name}}</name>
<company>{{marketplace.company}}</company>
<url>{{marketplace.url}}</url>
<platform>InSales</platform>
<currencies>{% for currency in currencies %}
<currency id="{{currency.id}}" rate="{{currency.rate}}" {% if currency.plus %}plus="{{currency.plus}}" {% endif %} />{% endfor %}
</currencies>
<categories>{% for collection in collections %}
<category id="{{collection.id}}" {% if collection.parent_id %}parentId="{{collection.parent_id}}"{% endif %}>{{collection.title}}</category>{% endfor %}
</categories>
<offers>
{{content_for_layout}}
</offers>
</shop>
</yml_catalog>
{% for variant in product.variants %}
<offer available="{% if variant.quantity != 0 %}true{% else %}false{% endif %}" {% if product.variants.size > 0 %}id="{{ variant.id }}" group_id="{{ product.id }}"{% else %}id="{{ variant.id }}"{% endif %}>
<name>{{product.title}}</name>
<vendorCode>{{product.sku}}</vendorCode>
<url>{{ account.url }}/product/{{ product.handle }}</url>
<price>{{product.price}}</price>
{% if product.old_price != 0 %}<oldprice>{{product.old_price}}</oldprice>{% endif %}
<price2>{{product.price2}}</price2>
<currencyId>{{product.currency_id}}</currencyId>
<categoryId>{{collection.id}}</categoryId>
{% for image in product.images limit: 10 %}
<picture>{{image.url}}</picture>{% endfor %}
<vendor>{{product.properties.vendor}}</vendor>
<description><![CDATA[{{ product.original_description }}]]></description>
<shortDescription>{{product.short_description}}</shortDescription>
{% if product.dimensions.height %}
<dimensions>{{product.dimensions.width}}/{{product.dimensions.depth}}/{{product.dimensions.height}}</dimensions>{% endif %}
{% for property in product.properties %}
<param name="{{property[0]}}">{{property[1]}}</param>{% endfor %}
{% for option in product.option_name_titles %}
<param name='{{ option }}'>{{ variant[option] }}</param>{% endfor %}
</offer>
{% endfor %}