Here's a quick and easy set of tutorials that will introduce the pattr family of Max objects and show you how start using them in your Max patches.
This pattr tutorial will have you creating and storing presets in your patch in no time:
The pattr object provides a versatile way to store and share values in a patch. Here's an overview of how it's done:
You can use the pattrstorage object can interpolate between stored preseet values using various a few simple techniques.
A practical example employing pattr and interpolating presets. Relevant pattr information starts at the 2:15 mark.