How to dynamically add/remove icons for particular group by Ext.ux.grid.RowActions

Hi,

I am using Ext.ux.grid.RowActions(3.1.1) plugin for my grid panel.Have a requirement to dynamically

add/remove group icons for particular group based on some actions static group icons....

Thanks

Any solutions for the above request ??? :-?

i would create all possible rowaction icons and hide them when necessary