title: How to pass dynamic amount in paypal buy now button
body: <p>I have made a paypal buy now button , but is not taking dynamic amount which i am sending by form like
   amount variable in input type hidden
   </p>
  
  <p>It only takes price which is set while creating form.</p>
  
  <p>Please give me solution , so that i can pass dynamic price and get payment for it.</p>