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"Mycred" plugin, install and activate plugin
You don't need to create custom points, plugin will make it automatically when you have first order. You can make demo order for this.
Cashback Tracker ->
General Settings ->
myCRED integration = Enabled
When you will have first order, plugin will create three point types: Pending, Approved, Declined.
Each new order will be added to Pending first. Then, it can be Approved or Declined. You will see in logs, than plugin will reduce Pending points and increase Approved or Declined.