Binding UI element in a table

Hi
I have a table UI based on a context mapped to Adaptive RFC Model.
I would like to add another column with buttons and to be able to manipulate their 'enable' property based on values in the table.
I created new context node with attribute value of type Boolean and bind the button's property to it. This context node is filled before the table is displayed.
Well, this doesn't work.
Does anyone have better idea???
Thanks, Nachshon.

Hi Valery
Thanks for the prompt replay.
I tried your suggestion but it is impossible to add a value attribute (nor model attribute) to the model node, I get:
"Adding attributes is currently not supported if the node or the model class (for context model nodes) has a dictionary structure binding."
Or did I misunderstood???
Nachshon

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