Inserting a pixel
In order for a pixel to start collecting anonymous cookies, insert it into an ad by using Yandex.Direct. The same tracking pixel can be inserted into any number of ads.
Copy your pixel code from Yandex.Audience. In Yandex.Direct, create or edit an ad group in a media campaign. Choose the selected ad and in the Yandex.Audience Pixel field, paste in the code you copied earlier.
Read more about tracking pixels.