Microsoft Universal Event Tracking (Bing Ads) tag allows you to collect data about user activity on your website and report it in Microsoft Advertising.
To set it up, follow these steps:
1. Log in to Microsoft Advertising.
2. Go to Campaigns.
3. Select Conversion tracking.
4. Click UET tag.
5. Copy the Universal Event Tracking (UET) ID. You’ll need it in the next steps.

6. Log in to Piwik PRO.
7. Go to Menu > Tag Manager.
8. Navigate to Tags.
9. Click Add a tag.
10. Select the following tag template: Microsoft Universal Event Trackingt Tracking.
11. Paste the Universal Event Tracking (UET) ID you copied in step 4.

12. In Advanced tag settings, choose Consent type. Set it up if you use a consent form on your site. This tag will only fire for visitors who accept the selected consent type.
13. Respect opt-out and DNT is turned on by default. Leave it as is if you want to respect visitors who’ve turned on the Do-Not-Track feature in their browsers or who’ve opted out of tracking using our opt-out form.
14. In Flight dates, set the date and time when the tag will fire.
15. In Tag triggers, click Add a trigger or Choose existing trigger to set up a trigger for your tag.
16. Click Add.
17. Test your tag in debug mode.
18. When the tag works correctly, click Publish.
19. All set!