Acknowledge - method of the PmAlarmItem object

Alarm item acknowledgment.
Empty Acknowledge([String sUserNote], [Date tTimeAck], [String sExtra])
sUserNote[optional] (String) The text note that is stored to the data together with the acknowledged alarm item (it is enabled on the "Storage" tab).
tTimeAck[optional] (Date) The acknowledgment time of the alarm.
If not set, then the computer current time is used.
sExtra[optional] (String) Additional parameters of the method.
Entries are in the KeyVal format, for example "ackerid:operator1;lang:en;".
"ackerid:xx;" - Identifier of the user that acknowledged the alarm.
This identifier is set into the AckerId property of the corresponding alarm and will also be written to disk into the AckerId column (if this column is enabled for writing to disk).
If the parameter is not entered, then the identifier of the user that acknowledged the alarm is used (local user, network user on the Web).
For example"ackerid:operator1;".
"lang:xx;" - Specifies national language for Macro expression $.text.
Language is determined with a text identifier, e.g. "en", "de", "ru" etc. - see Fully supported languages in the PROMOTIC system.
If not set, then the present language of running application is used instead. This is relevant for multiple acknowledgment with filtration string switched on (e.g. "$all;area:boiler1;"), where it is possible to set the language for evaluation of localized texts.
For example"lang:en;".
The acknowledgment succeeds only if the "Acknowledge" permission is fullfiled.
Calling the Acknowledge method over the acknowledged alarm has no effect. An unacknowledged alarm is acknowledged. The behaviour of the alarm after acknowledgment is specified in the "Acknowledgment type" configurator. The acknowledgment of the alarm is usually done interactively by the user from the viewer of an alarm group.
The method is synchronous, it means that it is processed immediately by the alarm subsystem. Nevertheless writing the history to disk is asynchronous, it means that this method passes the request for writing to the history to the alarm subsystem, it is placed into the queue of requests and it is processed later by the alarm subsystem.
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var oAl = pMe.Pm("/Alarm");
var oAlItem = oAl.Item("Temperature");

Pm8.03.02: New sExtra parameter with ackerid and lang.
PROMOTIC 9.0.27 SCADA system documentation MICROSYS, spol. s r.o.

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