Payment Plugin: Sliiing

1. Enable "Sliiing" payment plugin at aMember CP->Setup->Plugins

2. Manage products in aMember and set up Sliiing biller(s) for desired product(s)

3. Log into your Sliiing account, visit Account -> My websites and set up "Point to our script" to https://example.com/amember/payment/sliiing/ipn