The External Tools option allows you to add your own custom tools to the #develop IDE Tools menu. You can add additional configuration items to the starting of your external tool as well.
To add an external tool:
Select the Tools->Options... menu item and change to the Tools, External Tools category:
Click the Add button to add a new tool. This name of the tool defaults to New Tool.
Select your newly added item, and the properties for the item will be displayed:
Set the properties of your external tool as follows:
Arguments: Arguments to start your tool with
Command: The path to your tool (no jokes please... :)
InitialDirectory: The initial (startup) directory
MenuCommand: The text for the menu command. You can use the "&" character to get #develop to underline letters in your command.
PromptForArguments: #develop can prompt you for arguments to pass to the external tool.