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Is it possible to add categories to a Custom Post Type in WordPress?

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Put the following in your theme's functions.php file (changing my-custom-post-type to be whatever your Custom Post Type is, of course):


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I found this link to be helpful with the full function call and hooks to target, it even mentions the distinction between if the custom post type was created by a plugin: http://pippinsplugins.com/add-already-registered-taxonomy/

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