ST_IotFunctionsMessage

Contains detailed information about the underlying message object.

Syntax

(* request Id of governing request containing this message *)
nRequestId            : ULINT;

(* cycle in which this message was created *)
nCycleCreated         : ULINT;

(* time passed since creation (in milliseconds) *)
nAge                  : ULINT;

(* corresponding IoTDataAgent channel *)
nChannelId            : UDINT;

(* hrResult of latest action *)
hrResultCode          : HRESULT;

(* message Id *)
nMessageId            : UINT;

(* amount of initiated Ads requests during message lifetime *)
nAdsRequestCount      : UINT;

(* amount of received Ads confirmations during message lifetime *)
nAdsConfirmationCount : UINT;

(* current (internal) state of message object. *)
eMessageState         : EIotFunctionsMessageState;

(* message direction [read/write] *)
eMessageDirection     : EIotFunctionsMessageDirection;

(* indicates if the accepted data differes from the previously contained data (relevant for reading data) *)
bBufferChanged        : BOOL;

(* name of the corresponding symbol *)
sSymbolName           : STRING(255);

Parameter

Name	Type	Description
nRequestId	ULINT	ID of the request containing this message.
nCycleCreated	ULINT	Cycle in which this message was created.
nAge	ULINT	Elapsed time since this message was created in milliseconds.
nChannelId	UDINT	ID of the channel to be used in the Data Agent.
hrResultCode	HRESULT	HRESULT of the last operation performed.
nMessageId	UINT	ID of this message.
nAdsRequestCount	UINT	Number of ADS operations during the lifetime of this message (ADS requests).
nAdsConfirmationCount	UINT	Number of ADS operations during the lifetime of this message (ADS confirmations).
eMessageState	EIotFunctionsMessageState	Current internal state of this message object.
eMessageDirection	EIotFunctionsMessageDirection	Direction of this message (read or write).
bBufferChanged	BOOL	Indicates whether the content of the message buffer has changed (relevant for read operations).
sSymbolName	STRING	Name of the symbol used.