DSP provides 3rd party tag which join user into interest group via Protected Audience API.
3rd party script provided by ssp should embed as below.
<script src="https://privacy-sandcastle-dev-ssp.web.app:443/js/dsp/dsp-tag.js" class="dsp_tag" data-advertiser="privacy-sandcastle-dev-shop.web.app" data-id="1f45e" data-script="afterInteractive"> </script>
SSP provides 3rd party tag which running auction via Protected Audience API and decide which Ads to display.
Ads will embed inside <fencedframe> like below.
3rd party script provided by ssp should embed as below.
<ins class="ads"> <script class="ssp_tag" src="https://privacy-sandcastle-dev-ssp.web.app/ad-tag.js"> </script> </ins>