Retrieve tool parameters???

[DanaRobinson]

I built and saved as a tool (in a new toolbox) a rather complex model, however, I forgot to set the model parameters.  Now when I open the tool, I have no parameters.   Is there a way to "retrieve"those parameters, or reopen it in model builder so that I do not have to rebuild the entire thing?  I was not finished with the model when ArcMap crashed and I had to restart it.  The model did not return.

[JenniferStone]

If you go to the toolbox in ArcCatalog and right click on the tool you will get a pop-up giving you the option to open, edit, etc... If you select edit it should take you into the model where you can reveal your parameters, create your variables, all that good stuff. You may find that you need to activate your ArcEditor or ArcInfo license though.

[DanaRobinson]

Thank you Jennifer Stone. I new it was too simple for me to figure out!