Dropdown related field within same taxonomy
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I have two CPTs: [Books] and [Chapters]
Both CPTs share the same taxonomy: <Years>
In the relationship field ‘book’ for [Chapters] POD, I need to filter only the [Books] within the same <year> taxonomy of Chapters.IE: When I’m editing a chapter with taxonomy 2020, I should only be able to choose the books within the same taxonomy (2020) in the relationship dropdown.
Is it possible using the WHERE CLAUSE in ADDITIONAL FIELD OPTIONS?
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