I've encountered a problem I've never seen before and don't know where to look anymore. I've configured user parameters in my GA4 Event Tag:
When debugging the event, I can clearly see that the parameters are recognised by GTM and are in fact there:
But when checking the network for the google analytics call, I discovered that the user properties aren't found in the final url:
Busy: https://data.sendpulse.com/g/collect?v=2&tid=G-46NQ594GKJ>m=2re1c0&_p=179854930&sr=1920x1080&_dbg=1&ul=en-gb&cid=1181847091.1636366263&_s=2&dl=https%3A%2F%2Flogin.sendpulse.com%2Fmembers%2Femailservice%2Ftasks%2Fview%2Fid%2F127442%2Fr%2F1642607412&dr=https%3A%2F%2Flogin.sendpulse.com%2Femailservice%2Ftasks%2Fadd%2Fcampaign%2F2e83b96b%2Freview%2F&dt=%D0%9E%D0%B1%D0%B7%D0%BE%D1%80%20%D0%BA%D0%B0%D0%BC%D0%BF%D0%B0%D0%BD%D0%B8%D0%B8%20%2F%20%D0%9C%D0%BE%D0%B8%20%D1%80%D0%B0%D1%81%D1%81%D1%8B%D0%BB%D0%BA%D0%B8%20%2F%20%D0%A0%D0%B0%D1%81%D1%81%D1%8B%D0%BB%D0%BA%D0%B8&uid=7860071&sid=1642607121&sct=103&seg=1&en=dynamic_experiment&_et=29&ep.transport=beacon&ep.debug_mode=true&ep.exp=dynamic_plan_upgrade.0&richsstsse
Since the gtm debugger shows everything is ok I don't even know where to look. Any help here would be highly appreciated. (BTW, exact same parameters are sent with pageviews without any problems)