Liberator.Resource.payment_required-question-mark

You're seeing just the callback payment_required-question-mark, go back to Liberator.Resource module for more information.
Link to this callback

payment_required?(arg1)

View Source (since 1.2)

Specs

payment_required?(Plug.Conn.t()) :: true | false

Check to see if payment is required for this resource.

If this function returns true, then the plug will return a 402 Payment Required response. Please note that the 402 status code is experimental, and is "reserved for future use."

By default, always returns false.