As per the subject header. Is it possible to customise the selector/value that is shown in the drop down field which is used when selecting relationship values between posts?
EG, currently it shows the related custom posts title. I would like it to show:
You can use the filter hook rwmb_post_choice_label to change the post title in the dropdown. And notice that it will apply to all post fields on your site. Following the documentation https://docs.metabox.io/fields/post/#filters
.
