WordPress query by meta name and value

This is sample code for WordPress query by meta name and value

$args = array(
	'post_type'      => 'post',
	'post_status'    => 'publish',
	'meta_query'     => array(array(
		'key'   => 'Name',
		'value' => 'John',
		)));
$Results = new WP_Query( $args );