before-fields-new-example.php

<?php
function ninja_forms_custom_display( $before_fields, $form_id ) {
	// Output text received from the database before our field output.
	$text = get_stuff_from_somewhere_else( $form_id );
	
	$before_fields .= '<h4>'. $text . '</h4>';
	return $before_fields;
}
add_filter( 'nf_frontend_before_form', 'ninja_forms_custom_display', 10, 2 );