function arthemes_appthemes_notices() {

	// Check if we in a aspecific process.
	$checkout = appthemes_get_checkout();

	if ( $checkout && 'listing-new' === $checkout->get_checkout_type() ) {

		echo '<p>This text will be shown on all steps of the Create Listing process</p>';

		// Check if we on the specific step of the process.
		if ( 'select-plan' === _appthemes_get_step_from_query() ) {

			echo '<p>This text will be shown only on the Select Plan step of the Create Listing process</p>';

		}
	}
}
add_action( 'appthemes_notices', 'arthemes_appthemes_notices' );