How acknowledge an opcua alarm

General
1

hi,
Since yesterday i am looking for how acknowledge an opcua alarm using the node opcu ua methode.
in fact, i have create an opc ua server with java script from witch i generate an alarms and from node-red side, i create a flow witch catch the generated alarms and display them in ui template.
Now, i want to acknowledge the alarms using the node opcua methode.
i know that ObjectId = ConditionId , MethodId = NodeId of the Acknowlegde Method on the _AcknowledgeableConditionType - this is a well known NodeId defined by OPC and InputArgument[0] = EventId but when i execute the node opcu methode, the node generate an empty msg payload and the alarm remain Unacknowledged.
please find the details on the below screen shot

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thank you for help

2

problem resolved

3

Could you share your solution for the benefit of future readers facing the same issue?

4

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