ID )[0]->term_id; // Retrieve the number of related posts from customizer setting $appointment_management_related_posts_count = get_theme_mod( 'appointment_management_related_posts_count', 3 ); $appointment_management_args = array( 'cat' => $appointment_management_cat_content_id, 'posts_per_page' => $appointment_management_related_posts_count, // Use the customizer setting ); $appointment_management_query = new WP_Query( $appointment_management_args ); if ( $appointment_management_query->have_posts() ) : ?>