Script Settings:
You can change the settings of the script in this section.(i.e. name, type...)

Parameters(Database Fields):
A list of supported parameters(database fields) will be appeared on the listbox right side of the window.
parameters are pre-variables which reflect to the corresponding database fields. for example: a database have a database fields call "Total_Number". and content of selected records of "Total_Number" is 100. after running the following script:

Total_Number=Total_Number+50;

the value of "Total_Number" will be changed to 150, and the corresponding content of database will be also changed from 100 to 150.

Script Editor:
You can writing and editing your scripts in this textbox. the script language is javascript, for more information of javascript please visit this web page.

Test Run:
This feature helps you to debug, finding error and check the result of output.

The left side - Input Data is for you to input the test data. and after you entered test data and click "test run" button, the script will be executed and the output result will be displayed on the right side - output section. You can compare two section of data and check if the result is correct.