# RxPattern Demo App Guide
RxPattern Demo App is a single page web app to demonstrate the capabilities of KGrid and Script Numerate Knowledge Objects (opens new window).
The app connects with the KGrid Sandbox instances of Activator (opens new window) and interacts with the activated Knowledge Objects.
Click on the inputbox;
A list of drugs will be displayed in the dropdown menu;
Click on the drug of interest to initiate the interaction with Sandbox KGrid Activator
A frequency table of all sigs of the drug will be returned as result from the Knowledge Object
The result can be sorted by clicking on the column header.