Create a TIS parameter containing the currently logged in user.
Steps -> Operators
Create a TIS parameter for the user name.
Create a dummy table (1 column) for the next step.
Retrieve the current user name and store it to that parameter -> Formula operator (row-by-row) (4.0) = Formeloperator (with XIH Function: XIH.SetParam(“MA_Login”, XIH.UserName)
Add an event to the editable grid recalculating that data node at login.