To setup your Merchant e-Solutions payment gateway with your Spark Pay online store, first go to
Settings > Payments & Taxes > Payment Gateways
Click on New in upper right hand
From the drop-down "Add a Payment Processor" select Merchant e-Solutions and then click Add in the upper right
A section will now appear with the fields required as well as optional fields.
The fields are:
Applies to Store: this sets what store (if you have multistores) will use this gateway. Select [ All ] if you wish for it to apply to all stores.
Login ID: This is where you will put your Merchant e-Solutions Profile ID
Password: This is the Merchant e-Solutions Key
Mod Type: Whether or not the Cost Modifier is added as a Dollar amount or as a Percentage.
Sort Order: Not used.
Alternate URL: Not used.
Config String: Not used.
When you have entered your information click [ Save ] in the top right of the page.
When the page reloads you click click the [ Test ] button from the "More Actions" menu to test the gateway setup with some sample data.
When the page reloads you click click the [ Test ] button to test the gateway setup with some sample data.
Your test results should look similar to this: