Permalinks Custom Taxonomy

I’ve registered both a custom post type and taxonomy.

My custom post type is called resource-centre
The custom taxonomy resource-types
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My problem – I cannot get the permalinks working ..
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I tried setting the "rewrite" => array('hierarchical' => true ).

The permalink structure is as following:
http://mysite.com/resource-centre/the-post-title

For the custom taxonomy, I have categories for the different resource types: FAQ, tips, advice, etc.

I am trying to get the category to show up in permalink structure …

http://mysite.com/resource-centre<strong>/faq/</strong>the-post-title

I’ve tried everything, and still no luck..

Any help is much appreciated –