IQScript Designer allows you to view and edit IQScript scripts.
You can start IQScript Designer by selecting from the main menu: Tools > IQScript Designer.
However, more commonly you will edit an existing script. Throughout IQBroker, wherever a script can be selected, two buttons are shown:
Edit Parameters - modify the parameters of the script
Open Script - open the Script Designer to edit the script
Here's a script being edited in IQScript Designer:
Each script has an ID and a Name, and both are shown above.