plugin.xml

<?xml version='1.0' encoding='utf-8'?>
<plugin id="com.virtualmgr.iOSExternalAccessory" version="1.0.0" xmlns="http://apache.org/cordova/ns/plugins/1.0" xmlns:android="http://schemas.android.com/apk/res/android">
	<name>iOSExternalAccessory</name>
	<platform name="ios">
        <js-module name="iOSExternalAccessory" src="www/iOSExternalAccessory.js">
            <clobbers target="cordova.plugins.iOSExternalAccessory" />
        </js-module>
		<config-file parent="/*" target="config.xml">
			<feature name="iOSExternalAccessory">
				<param name="ios-package" value="iOSExternalAccessory" />
			</feature>
		</config-file>
        <config-file target="*-Info.plist" parent="UISupportedExternalAccessoryProtocols">
            <array>
                <string>uk.co.etiltd.bluetherm1</string>
            </array>
        </config-file>
		<source-file src="src/ios/iOSExternalAccessory.m" />
		<framework src="ExternalAccessory.framework" />
	</platform>
</plugin>