Note: Do this after installing the latest package.
Permission Set
To have access to the PosiPay feature, assign PosiPay’s Permission Set to a User with a System Administrator profile.
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Under the Available Apex Class find PosiPay Webhook Listener and add it to the Enabled Apex Classes
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Custom Settings
Gateway Account Settings
Go to Set up > Custom Settings > Gateway Account Settings
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API Token
Encrypted value of the actual API Token of the gateway account record.
Authenticated
This will tell the system that a certain gateway account record is already authorized.
Publishable Key
Encrypted value of the actual Publishable Key of the gateway account record.
Whole NPC config link
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