Checking data transmission for advanced tracking settings

After you send data using the firstPartyParams or firstPartyParamsHashed (with data self-hashing capability) method, make sure the data is transmitted to Yandex Metrica correctly.
  1. In the browser, open the website page.
  2. Append the ym_debug=1 parameter to the page URL in the browser's address bar and reload the page.
  3. Open the browser console with the keyboard shortcut Ctrl + Shift + J ( + + J for Apple OS).
  4. Fill in the contact information on the website page.

If data transfer is configured correctly, the console will display the data in hashed form. For example: