sub _get_user_scenario
{
    my ($self, $schema, $user_scenario) = @_;
    
	my $user_scenario_rs = undef;
	eval
	{
#get the number of user scenarios in the database table
my $count = $schema->resultset("UserScenario")->count();
		
#insert user scenario, or if already in database, update the description
$user_scenario_rs =
			$schema->resultset("UserScenario")->update_or_create(
				{ name  => $user_scenario->{name},
description => $user_scenario->{description}, },
				{ key   => "u_user_scenario_name" },
			) || die "Unable to update/insert data to table UserScenario: $!\n";
	};
	
	if($@)
	{
		#warn();
		$self->log_writer()->write_error_row("Unable to get/insert data to table UserScenario: $@");
		return undef;
	}
	else
	{
		return $user_scenario_rs;
	}
}