[Developers] query syntax problem

[Mark CE]

Hi all,
I'm having a problem with some really basic query syntax.

To me the location/country type definition looks as though it 
includes a "contains" property.
So I want everything that the country "United Kingdom" contains:

{
"query": [{
"id": null,
"name": "United Kingdom",
"type": "/location/country",
"contains": []
   }]
}

But the message is returned: " Type /location/country does not have 
property contains "

What am I doing wrong?
Thanks


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