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I can not write a value with opc xml

3/7/2025 7:19 AM	Rate (0)
AutoGen_8985894 Joined: 3/7/2025 Last visit: 3/7/2025 Posts: 1 Rating: (0)	I am writing a opc xml client with c++, I can read from my simotion by sending a message like below structure. but when I am trying to write a value, I receive E_Invalid_parameter in the response, what is correct structure for the xml. <?xml version="1.0" encoding="UTF-8"?><soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"><soapenv:Body><Write xmlns="http://opcfoundation.org/webservices/XMLDA/1.0/"><Options ReturnErrorText="true" LocaleID="en"/><ItemList><Items ItemPath="SIMOTION" ItemName="glob/film_id[3]"><Value xsi:type="xsd:int">25</Value></Items></ItemList></Write></soapenv:Body></soapenv:Envelope> please help me

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3/13/2025 9:00 AM	Rate (0)
Murof Platinum Member Joined: 8/3/2009 Last visit: 1/15/2026 Posts: 16636 Rating: (1944)	Hello This FAQ is a little bit older but perhaps it helps in your usecase: https://support.industry.siemens.com/cs/ww/en/view/27097938 Bye Murof
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