/resources/customer_user_access.proto 

--- v23/resources/customer_user_access.proto    2026-05-08 16:34:10.000000000 +0000
+++ v24/resources/customer_user_access.proto    2026-05-08 16:34:21.000000000 +0000
@@ -70,4 +70,8 @@
   // Read only field
   optional string inviter_user_email_address = 7
       [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. Whether the user has passkey enabled.
+  // Read only field
+  optional bool passkey_enabled = 8 [(google.api.field_behavior) = OUTPUT_ONLY];
 }