Monitor parameters are a way to receive input from the user, to use it while fetching the data or visualizing it.
To define the parameters, go to the Parameters tab on the monitor management page. Then provide a name, ID, test value, and a description for each parameter. The test value is used while you are developing (for previewing the monitor) to see what the user will see.
In the Visualizer, you can access the parameters through the ctx object, using
Remember, right now, CoreBI doesn't support optional parameters, all parameters will be required from the user to provide.