diff --git a/apps/backend/src/app/api/latest/users/crud.tsx b/apps/backend/src/app/api/latest/users/crud.tsx
index 3b63509d4..69ea82e20 100644
--- a/apps/backend/src/app/api/latest/users/crud.tsx
+++ b/apps/backend/src/app/api/latest/users/crud.tsx
@@ -4,6 +4,7 @@ import { PrismaTransaction } from "@/lib/types";
 import { sendTeamMembershipDeletedWebhook, sendUserCreatedWebhook, sendUserDeletedWebhook, sendUserUpdatedWebhook } from "@/lib/webhooks";
 import { RawQuery, prismaClient, rawQuery, retryTransaction } from "@/prisma-client";
 import { createCrudHandlers } from "@/route-handlers/crud-handler";
+import { log } from "@/utils/telemetry";
 import { runAsynchronouslyAndWaitUntil } from "@/utils/vercel";
 import { BooleanTrue, Prisma } from "@prisma/client";
 import { KnownErrors } from "@stackframe/stack-shared";
@@ -536,6 +537,10 @@ export const usersCrudHandlers = createLazyProxy(() => createCrudHandlers(usersC
     };
   },
   onCreate: async ({ auth, data }) => {
+    log("create_user_endpoint_primaryAuthEnabled", {
+      value: data.primary_email_auth_enabled,
+      email: data.primary_email ?? undefined,
+    });
     const result = await retryTransaction(async (tx) => {
       const passwordHash = await getPasswordHashFromData(data);
       await checkAuthData(tx, {
diff --git a/apps/backend/src/utils/telemetry.tsx b/apps/backend/src/utils/telemetry.tsx
index 75de51689..39e6ac1fd 100644
--- a/apps/backend/src/utils/telemetry.tsx
+++ b/apps/backend/src/utils/telemetry.tsx
@@ -1,5 +1,5 @@
-import { AttributeValue, Span, trace } from "@opentelemetry/api";
-
+import { Attributes, AttributeValue, Span, trace } from "@opentelemetry/api";
+import { StackAssertionError } from "@stackframe/stack-shared/dist/utils/errors";
 const tracer = trace.getTracer('stack-backend');
 
 export function withTraceSpan<P extends any[], T>(optionsOrDescription: string | { description: string, attributes?: Record<string, AttributeValue> }, fn: (...args: P) => Promise<T>): (...args: P) => Promise<T> {
@@ -24,6 +24,11 @@ export async function traceSpan<T>(optionsOrDescription: string | { description:
   });
 }
 
-export function log(message: string, ...args: any[]) {
-  console.log(`[${new Date().toISOString()}] ${message}`, ...args);
+export function log(message: string, attributes: Attributes) {
+  const span = trace.getActiveSpan();
+  if (span) {
+    span.addEvent(message, attributes);
+  } else {
+    throw new StackAssertionError('No active span found');
+  }
 }