CFBundleVersionExtensionAttribute.xml

<computer_extension_attribute>
	<name>%NAME%Version</name>
	<description />
	<data_type>String</data_type>
	<input_type>
		<type>script</type>
		<platform>Mac</platform>
		<script>#!/bin/bash
CFBundleVersion=""

if [ -f /Applications/"%NAME%.app"/Contents/Info.plist ]
	then
		CFBundleVersion=$(defaults read /Applications/"%NAME%.app"/Contents/Info.plist CFBundleVersion)
fi

echo "&lt;result&gt;$CFBundleVersion&lt;/result&gt;"
exit 0</script>
	</input_type>
	<inventory_display>Extension Attributes</inventory_display>
	<recon_display>Extension Attributes</recon_display>
</computer_extension_attribute>