"view_ships_travelling" : {
                        "description": "Returns a list of the ships that are travelling to or from this planet. NOTE: All inbound/outbound ships are shown regardless of which space port they will eventually land at.",
                        "parameters": [
                            {"name":"session_id", "type":"string", "optional":false},
                            {"name":"building_id", "type":"string", "optional":false},