ENTER if Amazon Location determines that the tracked device has entered a geofenced area.EXIT if Amazon Location determines that the tracked device has exited a geofenced area.curl --location -g --request POST 'http://geo.{region}.amazonaws.com/geofencing/v0/collections//positions' \
--header 'Content-Type: application/json' \
--data-raw '{
"DevicePositionUpdates": [
{
"DeviceId": "string",
"Position": [],
"SampleTime": "string"
}
]
}'{
"Errors": []
}