Migration Guide > Migration Guide > A. Features Introduced in OpenROAD 4.1 > Application Server Support for OpenROAD 4.1 > The Parameter Data Object
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The Parameter Data Object
The OpenROAD Parameter Data COM object provides an easy way to construct complex nested parameter structures. It is also important for client languages that do not support direct manipulation of Automation types. It is registered under the COM PROGID "OpenROAD.ParameterData". Methods provided by this COM object include:
DeclareAttribute
Declares a named parameter
SetAttribute
Sets the value of a named parameter
GetAttribute
Retrieves the value of a named parameter that was passed by reference and modified by the called 4GL procedure
Last modified date: 12/20/2023