Tell us what you are trying to do?
I have Comune post type wich is parent of Stemma and Gonfalone types. I know how to show the links for both child post when I am in parent post type Comune.
When I am in child Stemma I know how to link to it's parent but I don't know how to link to Gonfalone type. At the same time when I am in child Gonfalone I don't know how to link to Stemma type.
But when
Is there any documentation that you are following?
Is there a similar example that we can see?
What is the link to your site?
hidden link hidden link
http//www.araldicacivica.it/stemmi/gonfalone/como
I solved the problem
I created a view called "Menu_brother_gonfalone" showing the child post of gonfalone. As a filter I used the wpvprchildof shortcode
then in stemmi page I used this shord code [wpv-view name="menu_brother_gonfalone" wpvprchildof="[wpv-post-id id='$comune']"]