Product strategy

most_recent -  Shows the latest product viewed by user (default strategy)

"product_strategy": {
  "type": "most_recent"
}

category -  If there are categories in the feed you can specify which category to show.

Also available: max&min price limitations and max characters number in the title.

"product_strategy": {
  "type":"category",
  "category_id": "cat1,cat2,cat3", // required
  "min_price": <float>, // not required
  "max_price": <float>, // not required 
  "max_title": <integer>  // not required 
}

old_price - Using this strategy the creative will be filled with products, which have a new price (price) and old price (oldPrice) values. Usually, it's used to show products with discounts. 

"product_strategy": {
  "type":"old_price"
}

most_recent_from_category - The system detects the latest viewed products, defines their categories and fills all other product places with products from the same categories.

The "num" parameter defines the number of latest viewed products you need to be shown.

"product_strategy": {
  "type":"most_recent_from_category",
  "num": <integer>
}