Echoing post from http://ellislab.com/forums/viewthread/236223/ as suspected error in user documentation.

Looking at the documentation for the new relationships functionality it says filtering by category is supported (3rd paragraph of introduction): http://ellislab.com/expressionengine/user-guide/modules/channel/relationships.html#accessing-parents

However this is not listed as one of the supporting parameters under http://ellislab.com/expressionengine/user-guide/modules/channel/relationships.html#id9 and does not seem to work when I try something along the lines of the following:

{parents field="minutes_partner" category="20"} {parents:title} {/parents}

Anyone know if category filtering supported in relationships and if so how can I achieve this without writing some crazy custom query or coding a plugin?


  • I think in that 3rd paragraph they might be referring to the control panel > publish form. There doesn't appear to be a category parameter for the parents tag pair. Jul 10, 2013 at 3:59

3 Answers 3


Just had this precise problem.

Rummaged around and did a little hack to make this work.

Open this file


Look for:

$rows[$entry_id] = $data;

If you simply move this line to be the last line inside the foreach loop that starts

foreach ($entry_ids as $entry_id)

Then it works.

Your script may differ slightly, but my line moved from line #475 to line #520


Had a similar issue recently and I used an IF statement to solve the problem for me. Might help with others who find this page looking for similar answers.

To use the OP's example:

Trying to get the following to work:

{parents field="minutes_partner" category="20"} {parents:title} {/parents}

How I got around it:

{parents field="minutes_partner"}
   {if "{parents:categories}{category_id}{/parents:categories}"=="20"}

Hope this helps someone.


This hack does work for the parent output but the standard output does not work now. Any ideas?

Not working...

{campus} {campus:title} {/campus}

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