Custom fields can be used to add extra metadata to a post that you canCustom fields can be used to add extra metadata to a post that you canCustom fields can be used to add extra metadata to a post that you canCustom fields can be used to add extra metadata to a post that you canCustom fields can be used to add extra metadata to a post that you canCustom fields can be used to add extra metadata to a post that you can.Custom fields can be used to add extra metadata to a post that you canCustom fields can be used to add extra metadata to a post that you canCustom fields can be used to add extra metadata to a post that you canCustom fields can be used to add extra metadata to a post that you canCustom fields can be used to add extra metadata to a post that you canCustom fields can be used to add extra metadata to a post that you can.