This document provides a summary of automation testing topics covered on day 7, including parameters, environment variables, data tables, and examples of how to use them in tests. Parameters discussed include test, action, random number, and data table parameters. Environment variables can be built-in, user-defined, or stored in an external XML file. Data tables allow running tests with different data multiple times and have global and local sheets. Methods are provided to work with data tables, parameters, and sheets.