Snippet: Open Portfolio Items With Custom Links in Portfolio Grid in New Tab

function myprefix_vcex_shortcode_loop_atts( $atts ) {
	
	// Target portfolio grid
	if ( isset( $atts['base'] )
		&& 'vcex_portfolio_grid' == $atts['base']
		&& get_post_meta( get_the_ID(), 'wpex_post_link', true )
	) {

		$atts['link_target'] = 'blank';

	}

	// very important
	return $atts;

}
add_filter( 'vcex_shortcode_loop_atts', 'myprefix_vcex_shortcode_loop_atts' );