src/Handler/ActionHandler.php
private function payload(
        DomainInterface $domain,
        InputInterface $input,
        ServerRequestInterface $request
    ) {
        return $domain($input($request));
    }
private function payload(
        DomainInterface $domain,
        InputInterface $input,
        ServerRequestInterface $request
    ) {
        return $domain($input($request));
    }
Execute the domain to get a payload using input from the request.

@param DomainInterface $domain
@param InputInterface $input
@param ServerRequestInterface $request

@return PayloadInterface