my $som = $self
        ->endpoint($method{endpoint})
        ->uri($method{uri})
        ->on_action( sub { qq/"$method{soapaction}"/ } )
        ->call($method => map { @templates ? shift(@templates)->value($_) : $_ } @_);
    return $som unless UNIVERSAL::isa($som => 'SOAP::SOM');
    return wantarray
        ? $som->paramsall
        : $som->result;