alerts filtering for Virtual Machine in emailFilter.xml

I'm trying to filter for Virtual Machine alerts from the Custom UI in the emailFilter.xml.

Ideally I'd like to by filter by other metrics such as CPU ready % or CPU usage or some other metric but in the meantime just trying to isolate Virtual Machine.

<Conditions>

<condition type="ResourceKind">VMware Adapter:Virtual Machine</condition>

</Conditions>

I've tried a few different combinations of the above but no luck.  Can someone tell me what I'm doing wrong?

Thanks!