To use this plugin, you'll need your CardConnect login information and the following: 

• Magento 2.2 or greater
• PHP 7.0x or greater
• CURL 7.19.7
• MySQL 5.6, 5.7
• CardConnect Merchant account
• Username and Password (Refer to Magento Production Welcome Email)
• OpenSSL 1.0.1e installed and enabled: https://www.openssl.org/related/binaries.html

“AllowOverride Limit” must be configured in the Apache server’s httpd.conf in order to protect the private key used to encrypt configuration data. 

Once the CardConnect payment module is installed, configure the following parameters:

1. Login to Magento as the Magento merchant administrator.
2. Select Stores > Settings > Configuration.
3. Click Sales > Payment Methods.
4. Scroll to CardConnect.
5. Complete configuration parameters per the table below:

   Configuration Parameter	Description
   Enabled	Enables CardConnect as payment method
   Title	Name of the CardConnect module displayed to the customer
   Test Mode	If yes, then the CardConnect testing API is used. If No, then CardConnect is enabled.
   Debug Mode	The extension will log debug information to the application logs if the value is Yes and will not if the value is No. It is recommended to have the value 0 in production.
   Payment Action	Options:  Authorize Only: Transactions are authorized but not captured during checkout Authorize and Capture: Transactions are authorized and captured during checkout.
   Merchant ID	CardConnect Production Merchant ID (MID) or Test MID provided in your welcome email.
   Site Name	The CardConnect Site Name provided in your welcome email.
   Username	CardConnect merchant login name For testing, use the credentials provided in your welcome email.  When you are ready to go-live, use your production credentials.
   Password	CardConnect merchant account password For testing, use the credentials provided in your welcome email.  When you are ready to go-live, use your production credentials.
   Credit Card Types	Allows merchant to select which card types are supported (for example, Visa, MasterCard, Discover, AMEX)
   Void on AVS Failure	Determines if a void is performed when an AVS failure occurs
   Void on CVV Failure	Determines if a void is performed when a CVV failure occurs
   Validate CVV	If Yes, then this prevents placing orders if the CVV fails. If set to No, orders can still be placed with CVV errors.
   Transaction Error Message	The message displayed to the user if there is an error making a transaction
   Tokenization Error Message	The message displayed to the user if there is an error receiving a token
   Save Failed Transactions	If Yes, then failed transactions are saved and processing is continued. If No, then the transaction fails and processing is stopped.

Order Processing 

Order Processing allows the merchant administrator to view the order and CardConnect transaction response. This also enables the merchant administrator to perform subsequent actions such as capture, void and refund on authorized transactions through Magento’s admin panel.

Capture 

1. Login as Magento merchant administrator.
2. Select Sales > Orders.
3. Click anywhere on customer order line item. The order details and CardConnect transaction responses display.
4. Click Invoices.
5. Select an invoice.
6. Select Capture Online.
7. Click Submit. The invoice has been created. Note that the amount can only be captured once.

Void (full) 

1. Login as Magento merchant administrator.
2. Select Sales > Orders.
3. Click anywhere on customer order line item. The order details and CardConnect transaction responses display
4. Click Cancel to perform the void functionality.
5. Click OK to confirm the void.
6. Verify void details in Payment Information section.

Void (partial) 

1. Login as Magento merchant administrator.
2. Select Sales > Orders.
3. Click anywhere on customer order line item. The order details and CardConnect transaction responses display.
4. Click Invoice button.
5. Update quantity in Item to Invoice section for partial void.
6. Verify partial void and capture details in Payment Information section.