(Required)

(Know more about this ?)

class="custom-control-input" name="pi_status" id="pi_status">
(Non required)

class="custom-control-input" name="pi_free_when_free_shipping_coupon" id="pi_free_when_free_shipping_coupon">

(Required)

(Know more about this ?)

(optional)

Increment shipping charge by weight, quantity, subtotal etc. ranges. (Know more about this ?)

(optional)

Hide other shipping methods, or shipping class based charges (Know more about this ?)

term_id"] ) && ( $data['shipping_extra_cost']["$shipping_class->term_id"] !== '' ) ? $data['shipping_extra_cost']["$shipping_class->term_id"] : ""; ?>