CountMessage() - IVR Multi-threading | Xtend IVR Tutorial

$TotalMsg = CountMessage([DeviceId])

Returns the total number of messages present in the message queue of the specified device.

Parameters

[DeviceId]

The device from which the total count of messages is retrieved.

Return Value

Returns a number.

Remarks

Every thread maintains a message queue, into which we can put or get message for the purpose of inter-thread communication.The total number of messages present in the message queue of the specified device is the return value of CountMessage().
If deviceid is not specified, then the total number of messages in the current device is returned.
If an invalid deviceid is specified, then the return value will be zero.

Example

  1) PutMessage ("Welcome all")
    $TotalMsg = CountMessage()

Places "Welcome all" into the message queue of current device. $TotalMsg will contain 1.

  2) PutMessage (5,"Welcome all")
    $TotalMsg = CountMessage(5)
    
	Places "Welcome all" into the message queue of device 5. $TotalMsg will contain 1.