How to restrict or check values of field type drop down in context level

Hi All,
I need to know how Context Binding String option technique works for field in context node,
the code at Get_V is like below,
      CREATE OBJECT lr_descr EXPORTING iv_source_type = 'B'.
      lr_descr->set_binding_string( '//Ident/Values' ).
      rv_valuehelp_descriptor = lr_descr.
I seen Ident context node in this view, under attributes it don't have any values,
but it is of class type CL_BSP_WD_CONTEXT_NODE_DDLB,
so where he moving values or how this technique works...?
Thanking you.
Best Regards,
VjMhyd

Self,
SET_VALUE_TABLE
Edited by: vjmhyd on Jun 29, 2011 3:31 PM

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