shortcodes para proyectos

// Add Shortcode
function concept_projects_shortcode( $atts ) {

	// Attributes
	$atts = shortcode_atts(
		array(
			'concept_project_category' => 'all',
			'num_projects' => '0',
		),
		$atts,
		'concept_projects'
	);

	include("ejemplo.php");
	return $slider_proyectos;

}
add_shortcode( 'concept_projects', 'concept_projects_shortcode' );