- Open "External Tools" tab in the "Application Settings" dialog.
- In the "Custom tools" group add a tool with a valid "launcherId" parameter (note that there are 4 supported launchers for tools - python, java, R and perl).
- Open the Workflow Designer.
- Open the "Create Element with External Tool" wizard.
- Select the added tool for the element.
- Follow the wizard until the "Command" page.
the launcher variable is also specified in the command, e.g.: