add the other content of email inside the pdf quote

functions.php

<?php

add_action('yith_ywraq_email_after_raq_table','yith_ywraq_email_after_raq_table');
function yith_ywraq_email_after_raq_table( $order ){
	$af4              = yit_get_prop( $order, 'ywraq_other_email_fields', true );
	if( ! empty( $af4 ) ){
		foreach ( $af4 as $key => $value ) { ?>
			<div>
				<span><strong><?php echo $key; ?>: </strong></span>
				<span><?php echo $value ?></span>
			</div>
		<?php }
	}
}