Set specific offer as default in listing price metabox

functions.php

<?php

/**
 * Set specific offer as default in listing price metabox
 */
add_filter( 'wpsight_meta_box_listing_price_fields', 'custom_wpsight_meta_box_listing_price_fields', 10 );

function custom_wpsight_meta_box_listing_price_fields( $fields ) {
  $fields['offer']['default'] = 'rent';
  return $fields;
}