# audioDelayDetectorTestStateChanged
Description: Notification after the echo test state has changed.
Example:
{
"state" : 1,
"delay" : 10,
"event": "audioDelayDetectorTestStateChanged",
"method": "event"
}
Parameter description:
state
— State0 — ready
1 — is now being executed
2 — failed to execute
3 — unavailable
delay
— the delay value specified in milliseconds. The field is not included if the current value is set by default or if the echo test is not ready.
See also: