There are a variety of methods to limit Launch Actions: 
See Also
If you need the Full URL to identify one specific record in the NNMi database, and find that it is not possible to provide a unique set of attribute values that distinguish that object instance from all other similar object instances, the database unique identifiers are valuable parameters.
The ID and UUID attributes are valid for all object types. NNMi displays the ID and UUID attribute values on the object form's Registration tab:
${uuid}Universally Unique Object Identifier -Unique across all databases.${id}Unique Object Identifier - Unique across the Entire NNMi Database.
For example, the user can select an Interface object in the console, and use this Action to open the form of the Node in which the Interface resides:
/nnm/launch?cmd=showForm&objtype=Node&objid=${hostedOn.id}