plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<plugin xmlns="http://apache.org/cordova/ns/plugins/1.0"
        xmlns:android="http://schemas.android.com/apk/res/android"
        id="cordova-plugin-restrict-keyboard-fork"
        version="1.0">

    <name>Restrict Keyboard</name>

    <description>
      This is a simple Cordova plugin that prevents custom keyboards from being used on iOS.
    </description>

    <license>MIT</license>

    <!-- iOS Configuration -->
    <platform name="ios">

        <config-file target="config.xml" parent="/*">
            <feature name="RestrictKeyboard">
                <param name="ios-package" value="CDVRestrictKeyboard" />
            </feature>
        </config-file>

        <source-file src="src/ios/CDVRestrictKeyboard.m" />

    </platform>

</plugin>