Type Function Library system.* Return value Boolean Revision Release 2022.3683 Keywords system event
Returns a boolean true or false depending on whether the system delivers events corresponding to eventName.
system.hasEventSource( eventName )
String. The name of the event source that delivers events of that name — see the next section for details.
Valid values of event sources include:
"accelerometer""gyroscope""heading""inputDeviceStatus""key""location""mouse""multitouch""orientation""collision""particleCollision""preCollision""postCollision"local hasGyroscrope = system.hasEventSource( "gyroscope" )
if hasGyroscrope then
print( "The device has a gyroscrope." )
end