As mentioned in the subject, is there a way to limit the number of a child page type per parent?
Assuming I have the page type Subpage allowed under Page, and the Page named "Home Page" has 4 Subpages, the user should not be able to create another Subpage under "Home Page".
Subpage
Page
You could use global event handler and in the document before insert event check the number of already existing items in given section.
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