docs: update sample code to use new connection parameters

Author: karenc-bq

docs/using-the-nodejs-wrapper/using-plugins/UsingTheAwsSecretsManagerPlugin.md

@@ -21,7 +21,7 @@ The following properties are required for the AWS Secrets Manager Connection Plu
 > To use this plugin, you will need to set the following AWS Secrets Manager specific parameters.
 
 | Parameter                |  Value  |              Required               | Description                                                                                                                                                                                                                       | Example                  | Default Value |
-|--------------------------|:-------:|:-----------------------------------:|:----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|:-------------------------|---------------|
+| ------------------------ | :-----: | :---------------------------------: | :-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | :----------------------- | ------------- |
 | `secretId`               | String  |                 Yes                 | Set this value to be the secret name or the secret ARN.                                                                                                                                                                           | `secretId`               | `null`        |
 | `secretRegion`           | String  | Yes unless the `secretId` is an ARN | Set this value to be the region your secret is in.                                                                                                                                                                                | `us-east-2`              | `null`        |
 | `secretEndpoint`         | String  |                 No                  | Set this value to be the endpoint override to retrieve your secret from. This parameter value should be in the form of a URL, with a valid protocol (ex. `https://`) and domain (ex. `localhost`). A port number is not required. | `https://localhost:1234` | `null`        |

examples/aws_driver_example/aws_secrets_manager_mysql_example.ts

@@ -20,6 +20,7 @@ const mysqlHost = "db-identifier.XYZ.us-east-2.rds.amazonaws.com";
 const port = 3306;
 const secretId = "SecretName";
 const secretRegion = "us-east-1";
+const secretExpirationTime = 1000;
 /* secretId can be set as secret ARN instead. The ARN includes the secretRegion */
 // const secretId = "arn:aws:secretsmanager:us-east-1:AccountId:secret:SecretName-6RandomCharacters";
 
@@ -29,7 +30,13 @@ const client = new AwsMySQLClient({
   port: port,
   secretId: secretId,
   secretRegion: secretRegion,
-  plugins: "secretsManager"
+  secretExpirationSec: secretExpirationTime,
+  plugins: "secretsManager",
+  // By default, the Secrets Manager plugin assumes the secret stored in the AWS Secrets Manager to be a JSON object containing the properties `username` and `password`.
+  // If the secret contains different key names, you can specify them with the `secretUsernameProperty` and `secretPasswordProperty` parameters.
+  // This example assumes the credentials are stored under the keys db_user and db_pass.
+  secretUsernameProperty: "db_user",
+  secretPasswordProperty: "db_pass"
 });
 
 // Attempt connection.