Purcahse Order list in our backed code from shopify

[nhlchrs]

Hi,

Can anyone help me the puchase order listing in our frontend/backend  code from the shopify store as I created the dummy store but not able to get the list or anything regarding that. I am able to fetch up the order list but not tha purchase order detail

 I want to fetch/update the details of this page from my backend code...

Thanks