To set a service, follow the steps below.
Navigate to Edit > Preferences
Select the Services tab.
Click Add New service ( + icon).
Specify the options below and click Accept.
Service type: Select the type of service you want to use in MarvinSketch.
Service name: Enter the service name. This name will be shown on the Services tab and under Tools > Services menu.
Service description: Describe the relevant service; it will appear as a brief help in a pop-up box (optional).
To apply the service to a molecule, click Services, and select the newly added function.
See the Services Tab section for information about which user actions are available for the added services.