How to create PDF document from entity details

In Mobile web app. I have one page with joiner details and I want to create pdf document with all details and also need to save pdf as well as need to send all details through mail. When I tried generate pdf microflow getting blank message box as below Please guide how to proceed.    Please find below screnshot of generate pdf microflow  
1 answers

Creating the pdf is described here:

For sending mail there are several options. I created this one: Marketplace-module EmailService, having only a very small footprint in your app.