[MM-48759] track event when redirect from cws signup with utm campaign

api4/user.go

@@ -2017,9 +2017,15 @@ func loginCWS(c *Context, w http.ResponseWriter, r *http.Request) {
 	redirectURL := *c.App.Config().ServiceSettings.SiteURL
 	if campaign != "" {
 		if url, ok := campaignToURL[campaign]; ok {
+			properties := map[string]any{
+				"category":    "acquisition",
+				"redirect_to": strings.TrimSuffix(url, "/"),
+			}
+			c.App.Srv().GetTelemetryService().SendTelemetry("product_start_redirect", properties)
 			redirectURL += url
 		}
 	}
+
 	http.Redirect(w, r, redirectURL, http.StatusFound)
 }