return unless exists $params->{message_name} xor $params->{message_transports}; # We only want one of these
my $library = Koha::Libraries->find( $letter_params->{branchcode} );
return unless exists $params->{message_name} xor $params->{message_transports}; # We only want one of these
my $library = Koha::Libraries->find( $letter_params->{branchcode} );