property Params: TRequestParams; TRequestParams=String;
FunctionCode and Params are design time request. It's main purpose is to populate data aware controls link to TMWTable at design time. It can also be executed at runtime using ExecuteRequest.
Request parameters are normally a TMWBuffer. Here for use from within the IDE, the Params property is a string that will be turned into a TMWBuffer before being used. Conversion is done using quoted strings with semi-colon field delimiters. Exmaple "This is first";"and second";"fields".