diff --git a/services/identity/src/constants.rs b/services/identity/src/constants.rs
--- a/services/identity/src/constants.rs
+++ b/services/identity/src/constants.rs
@@ -11,6 +11,7 @@
 pub const USERS_TABLE_REGISTRATION_ATTRIBUTE: &str = "pakeRegistrationData";
 pub const USERS_TABLE_USERNAME_ATTRIBUTE: &str = "username";
 pub const USERS_TABLE_USER_PUBLIC_KEY_ATTRIBUTE: &str = "userPublicKey";
+pub const USERS_TABLE_DEVICE_ATTRIBUTE: &str = "device";
 pub const USERS_TABLE_DEVICES_ATTRIBUTE: &str = "devices";
 pub const USERS_TABLE_DEVICES_MAP_ATTRIBUTE_NAME: &str = "deviceID";
 pub const USERS_TABLE_WALLET_ADDRESS_ATTRIBUTE: &str = "walletAddress";