Replace “Buy X Get X/Y” with custom text in the Smart Coupons Basic plugin - By WebToffee (Smart Coupon Basic)

functions.php

<?php //Do not copy this line of code 
add_filter( 'wt_smart_coupon_meta_data', function ( $coupon_data, $coupon ) {
	$coupon_id = isset( $coupon_data['coupon_id'] ) ? (int) $coupon_data['coupon_id'] : 0;
	if ( ! $coupon_id || ! is_a( $coupon, 'WC_Coupon' ) ) {
		return $coupon_data;
	}
	if ( 'wbte_sc_bogo' === $coupon->get_discount_type() ) {
		$coupon_data['coupon_type'] = __( 'Redeem Now', 'wt-smart-coupons-for-woocommerce' );
	}
	return $coupon_data;
}, 20, 2 );