JetEngine SEOPress output checkbox/radio/select field, repeater field

code.php

<?php

add_filter('seopress_titles_template_variables_array', 'sp_titles_template_variables_array');
add_filter('seopress_titles_template_replace_array', 'sp_titles_template_replace_array');
add_filter('seopress_get_dynamic_variables', 'sp_get_dynamic_variables');

function sp_titles_template_variables_array($array) {
    $array[] = '%%je_repeater_template%%';
	$array[] = '%%je_checkbox_template%%';
    return $array;
}

function sp_titles_template_replace_array($array) {
    //escape your values!
    
	$post_id = get_the_ID();
	
    $array[] = esc_attr(wp_strip_all_tags( sp_je_get_repeater_value( $post_id ) ) );
	$array[] = esc_attr(wp_strip_all_tags( sp_je_get_field_value( $post_id, 'facilities', 22 ) ) );
	
    return $array;
}

function sp_get_dynamic_variables($array){
    $array['%%je_repeater_template%%'] = 'Repeater value';
	$array['%%je_checkbox_template%%'] = 'Checkbox value';
    return $array;
}

//----------------------------

function sp_je_get_field_value( $post_id, $field, $glossary_id = 0 ) {
	if ( ! function_exists( 'jet_engine' ) ) {
		return '';
	}
	
	$value = get_post_meta( $post_id, $field, true );
	
	if ( ! $value ) {
		return '';
	}
	
	if ( ! $glossary_id || ! jet_engine()->glossaries->data->get_item_for_edit( absint( $glossary_id ) ) ) {
		if ( is_array( $value ) ) {
			return implode( ', ', jet_engine_get_prepared_check_values( $value ) );
		} elseif ( is_scalar( $value ) ) {
			return $value;
		} else {
			return '';
		}
	}
	
	return jet_engine_label_by_glossary( $value, $glossary_id );
}

function sp_je_get_repeater_value( $post_id ) {
	//get repeater field value from post meta
	$participants = get_post_meta( $post_id, 'participants', true );
	
	//fallback in case repeater field is empty
	if ( empty( $participants ) || ! is_array( $participants ) ) {
		return 'The best artists will present their artworks.';
	}
	
	$output = 'The best artists will present their artworks. Honored guests: ';
	
	$participants_formatted = [];
	
	foreach ( $participants as $participant ) {
		$participants_formatted[] = sprintf( '%s %s', $participant['first_name'], $participant['last_name'] );
	}
	
	$output .= implode( ', ', $participants_formatted ) . '.';
	
	return $output;
}

Based on this guide https://www.seopress.org/support/guides/create-your-custom-dynamic-variable-for-your-meta-title-description-social/
Read it to understand how variables are registered in SEOPress

Glossary ID can be seen ib JetEngine dashboard here: