diff --git a/services/identity/src/constants.rs b/services/identity/src/constants.rs
index dc965c337..539cb198a 100644
--- a/services/identity/src/constants.rs
+++ b/services/identity/src/constants.rs
@@ -1,35 +1,36 @@
 // Secrets
 
 pub const SECRETS_DIRECTORY: &str = "secrets";
 pub const SECRETS_FILE_NAME: &str = "secret_key";
 pub const SECRETS_FILE_EXTENSION: &str = "txt";
 
 // DynamoDB
 
 pub const USERS_TABLE: &str = "identity-users";
 pub const USERS_TABLE_PARTITION_KEY: &str = "userID";
 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";
 pub const USERS_TABLE_USERNAME_INDEX: &str = "username-index";
 pub const USERS_TABLE_WALLET_ADDRESS_INDEX: &str = "walletAddress-index";
 
 pub const ACCESS_TOKEN_TABLE: &str = "identity-tokens";
 pub const ACCESS_TOKEN_TABLE_PARTITION_KEY: &str = "userID";
 pub const ACCESS_TOKEN_SORT_KEY: &str = "deviceID";
 pub const ACCESS_TOKEN_TABLE_CREATED_ATTRIBUTE: &str = "created";
 pub const ACCESS_TOKEN_TABLE_AUTH_TYPE_ATTRIBUTE: &str = "authType";
 pub const ACCESS_TOKEN_TABLE_VALID_ATTRIBUTE: &str = "valid";
 pub const ACCESS_TOKEN_TABLE_TOKEN_ATTRIBUTE: &str = "token";
 
 // Tokio
 
 pub const MPSC_CHANNEL_BUFFER_CAPACITY: usize = 1;
 pub const IDENTITY_SERVICE_SOCKET_ADDR: &str = "[::]:50051";
 
 // Token
 
 pub const ACCESS_TOKEN_LENGTH: usize = 512;