title: add button to wordpress plug-in
abstract: I use a plugin "sproutinvoices " for my company accounts on wordpress This plugin generates invoices, deducts the payment, and adjusts the accounts between those inside and those outside what we need : entering the items for this invoices that plugin makes automatic from excel sheet I want to add a button in this place in photo , as soon as I click on it, it will upload the file I chose in csv format And empty the contents of the file on the place of writing in the image Only 3 items I want them to fill product name Product price Product quantity Run all of this plugin in the backend of WordPress
keyphrases: product name product price product quantity, excel sheet, csv format, plugin, wordpress, button, invoices, items, place, file