How to filter the Google Map Marker in WPCargo Map

Note: Please copy and paste this code in functions.php of your current theme.

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function custom_change_shmap_current_marker_url( $image_url ){
  /*
   * Put your new marker url in $image_url variable
   */
  $image_url = "https://www.wpcargo.com/wp-content/uploads/2021/09/wpcargo-marker.png";
  return $image_url;
}
add_filter( 'shmap_current_marker_url', 'custom_change_shmap_current_marker_url' );