Within the GP framework you can start and terminate processes using the following options:
· The GP runtime tools, which provide convenient and easy-to-use user interfaces
More information: Starting (Initiating) a New Process
· The GP runtime tools, if you have authorization to initiate a process on behalf of another user
More information: Granting Substitution Permissions
· The GP API, which enables you to enhance your composite by implementing custom user interfaces, for example
More information: Starting and Terminating Processes Using the GP API
· The GPProcessDiscovery Web services
More information: Consuming the GPProcessDiscovery Web Services