Payment Plugin: Nanacast

1. Enable plugin: go to aMember CP -> Configuration -> Add-ons and enable "Nanacast" payment plugin.

2. Go to product setting and set up 'Nanacast Product ID' for each product

3. Set the following url as notification url for all products at your account in Nanacast:
   https://example.com/amember/payment/nanacast/ipn