diff --git a/src/sdk/clients/decorators/erc7579/accountId.ts b/src/sdk/clients/decorators/erc7579/accountId.ts
index ce527efd..10d8c368 100644
--- a/src/sdk/clients/decorators/erc7579/accountId.ts
+++ b/src/sdk/clients/decorators/erc7579/accountId.ts
@@ -14,6 +14,21 @@ import { call, readContract } from "viem/actions"
 import { getAction } from "viem/utils"
 import { AccountNotFoundError } from "../../../account/utils/AccountNotFound"
 
+/**
+ * Retrieves the account ID for a given smart account.
+ *
+ * @param client - The client instance.
+ * @param args - Optional parameters for getting the smart account.
+ * @returns The account ID as a string.
+ * @throws {AccountNotFoundError} If the account is not found.
+ * @throws {Error} If the accountId result is empty.
+ *
+ * @example
+ * import { accountId } from '@biconomy/sdk'
+ * 
+ * const id = await accountId(nexusClient)
+ * console.log(id) // 'example_account_id'
+ */
 export async function accountId<TSmartAccount extends SmartAccount | undefined>(
   client: Client<Transport, Chain | undefined, TSmartAccount>,
   args?: GetSmartAccountParameter<TSmartAccount>