Allow administrators to select custom table fields to consider for group promotions.

With this plugin you will be select a custom field within group promotions for which you can make comparison based on for the promotion to successfully run. For this to work you will need to provide 4 values:

• The table to which query on.
  
• The field to compare values on.
  
• Field value expected.
  
• Operator.
  

With this plugin you can add support for group promotion using core fields that lack promotion rules as well as third-party DB fields, enhancing promotion rules .