You can edit:
Note: If your changes result in a geometric impossibility, or cause problems in subsequent features, you will be warned by the Conflict Solver.
Editing the Extrude by the Feature Guide
Right-click on the Extrude Remove name in the Feature Tree, or select one Extrude face and then right-click. In the popup menu that appears, select Edit Feature.
The Feature Guide will appear, automatically open to Required Step 2. You now return to the same situation in which you created the Extrude.
Make modifications in the current step, and / or click the icon for
other steps to modify. Press OK
or Apply 
in the Feature Guide to complete the function.
Editing the Extrude Sketch / Composite Curve
In the Feature Tree, right-click the curve or sketch listed under the Extrude feature. In the popup menu, select Edit Feature. Or you can right-click on the Extrude feature or its name and select Edit Sketch / Composite.
You will enter the function by which the curve or sketch was created. When you are finished, upon exiting the function the Extrude feature will be updated.
Editing the Numerical Parameters Only
If you want to modify only the numerical parameters, either double-click the Extrude name in the Feature Tree or double-click an Extrude face in the display.
All parameters are displayed, including deltas, draft angles, and sketch dimensions. Press exit to leave edit mode, or click a value to open the Dimension Dialog. In this dialog you can enter another value, or enter an equation involving parametric dependency.
When the parameters are updated, click 
to update
the feature, or you can update it later. (If you do not update now, all
updates will be done automatically the next time you create or edit any
feature or object.) Exit to
leave edit mode.
See also:
to enter a 
