wpml-config.xml

<wpml-config>
	<custom-types>
		<custom-type translate="1">nl4wp-form</custom-type>
	</custom-types>
	<custom-fields>
		<custom-field action="translate">text_subscribed</custom-field>
		<custom-field action="translate">text_error</custom-field>
		<custom-field action="translate">text_invalid_email</custom-field>
		<custom-field action="translate">text_already_subscribed</custom-field>
		<custom-field action="translate">text_required_field_missing</custom-field>
		<custom-field action="translate">text_unsubscribed</custom-field>
		<custom-field action="translate">text_not_subscribed</custom-field>
		<custom-field action="translate">text_subscribed</custom-field>
	</custom-fields>
	<admin-texts>
		<key name="nl4wp_integrations">
			<key name="woocommerce">
				<key name="label" />
			</key>
			<key name="easy-digital-downloads">
				<key name="label" />
			</key>
			<key name="contact-form-7">
				<key name="label" />
			</key>
			<key name="wp-registration-form">
				<key name="label" />
			</key>
			<key name="wp-comment-form">
				<key name="label" />
			</key>
			<key name="ninja-forms">
				<key name="label" />
			</key>
			<key name="events-manager">
				<key name="label" />
			</key>
			<key name="buddypress">
				<key name="label" />
			</key>
		</key>
	</admin-texts>
</wpml-config>