### Install Authorize.Net Node.js SDK

Source: https://github.com/authorizenet/sample-code-node/blob/master/README.md

Command to install the Authorize.Net Node.js SDK using npm, the Node.js package manager. This SDK is a prerequisite for running the provided sample code.

```shell
npm install authorizenet
```

--------------------------------

### Execute Individual Authorize.Net Node.js Sample

Source: https://github.com/authorizenet/sample-code-node/blob/master/README.md

Demonstrates how to run a specific Node.js sample file from the command line using the 'node' interpreter. Replace '[CodeSampleName]' with the actual filename of the sample you wish to execute.

```shell
node PaymentTransactions\[CodeSampleName]
```

--------------------------------

### Clone Authorize.Net Node.js Sample Code Repository

Source: https://github.com/authorizenet/sample-code-node/blob/master/README.md

Instructions to clone the Authorize.Net Node.js sample code repository from GitHub using the Git command-line tool. This step is necessary to obtain the sample files locally.

```shell
git clone https://github.com/AuthorizeNet/sample-code-node.git
```

--------------------------------

### Create Proxy Configuration Object for Authorize.Net SDK

Source: https://github.com/authorizenet/sample-code-node/blob/master/README.md

Defines a JavaScript configuration object for setting up proxy details when using the Authorize.Net SDK. This object specifies whether to use a proxy and provides the proxy URL, including optional username and password.

```javascript
config = {
    'proxy': {
        'setProxy': true,
        'proxyUrl': 'http://<username>:<password>@<proxyHost>:<proxyPort>'
    }
}
```

--------------------------------

### Pass Proxy Configuration to Authorize.Net SDK Controller

Source: https://github.com/authorizenet/sample-code-node/blob/master/README.md

Illustrates how to pass the previously defined proxy configuration object to an Authorize.Net SDK controller's constructor. This integrates the proxy settings into the SDK's API request handling.

```javascript
var ctrl = new ApiControllers.CreateTransactionController(createRequest.getJSON(), config);
```

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