required => [qw/
				image_name
				artist
			/],

			optional => [qw/
				email
				summary
			/],						   
	# In a Data::FormValidator Profile:
	validator_packages => [qw(Data::FormValidator::Constraints::Upload)],
	constraints => {
		image_name => [
			{
				constraint_method => 'file_max_bytes',
				params => [\200],
			},

		 ],
	},