protected function setShippingAmount($data)
    {
        if (isset($data['shipping'])) {
            $this->post = $this->post->merge([
                'PAYMENTREQUEST_0_SHIPPINGAMT' => $data['shipping'],
            ]);
        }
    }
protected function setShippingAmount($data)
    {
        if (isset($data['shipping'])) {
            $this->post = $this->post->merge([
                'PAYMENTREQUEST_0_SHIPPINGAMT' => $data['shipping'],
            ]);
        }
    }
protected function setShippingAmount ( $ data ) { if ( isset ( $ data [ 'shipping' ] ) ) { $ this -> post = $ this -> post -> merge ( [ 'PAYMENTREQUEST_0_SHIPPINGAMT' => $ data [ 'shipping' ] , ] ) ; } }
Set shipping amount if available.

@param array $data
Set shipping amount if available .