How to change the datum value in content xml part from Appearance section in a single External.
Its mean
<Data>
<External>
<Parameters>
<Datum ID="D03" Name="category" Label="category" Type="String"></Datum>
</Parameters>
<Object Scope="local">com.test.Test</Object>
<Method>getTest</Method>
</External>
</Data>
Just I want to change category param on tabbing.