The Parameters folder in the Quality Control window contains general parameters of the script. For example, you can specify an author, some general settings, etc. Values of parameters are displayed in the Information column. In order to change a value, double click it with and enter a new value via keyboard. Different parameters may contain different types of data (text string, integer, floating point number, Boolean, etc.).
The content of this folder corresponds to the content of the <Parameters> group in the script XML code.