1- Go to settings > WP Dafa3ny Payment
2- Fill up the Merchant ID, API Key and choose a payment mode
3- Fill up the shortcode fields to generate a shortcode payment button
4- Copy the generated shortcode and paste it in any page
5- You can make any shortcode attribute to be a dynamic field like product title, price or description
[WP_DAFA3NY price='<?php echo $price; ?>' tax='3' currency='EGP' product_name='<?php echo $product_name; ?>' product_desc='Yellow tshirt' order_id='t353' track_id='rt5' success_url='https://demos.wisersteps.com/dafa3ny/success' fail_url='https://demos.wisersteps.com/dafa3ny/fail']