Error in Getting Details from SAP by BAPI_MATERIAL_GET_DETAIL

Hi All,

I am trying to get the material info from SAP by webDynPro.

My Input Parameter is Material(IMPORT PARAMETER) and out put is Matrial_general_data(EXPORT PARAMETER).

In the implementation of method in

wdDoInit().

Bapi_Material_Get_Detail_Input input = new Bapi_Material_Get_Detail_Input();

wdContext.nodeBapi_Material_Get_Detail_Input().bind(input);

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what is the object I have to initiate for material Parameter.

//for input data Material

Matnr bapimat = new Matnr();

I tried in different way I am getting error.

Thanks & Regards,

Ram