For more details you can see the pdf in this link :

https://drive.google.com/open?id=1__dK8wmBc1IAeIzJ9YlxXDfLhceuOcp_

Configure Espresso to the Project

For more detail(description each picture) you can download the pdf file here :
https://drive.google.com/open?id=1SpOwIYQ6Xzpe8tn0la81WIUW5g0L55FN