How to make set driven keys in Maya

In this video Tutorial you will learn about Key setting in Maya while you are creating any vibrancy. As concerned of new-fangled user, they mostly set a key by pressing “S”. They are not aware of set driven key. This video Tutorial will guide them well.
Maya has a specific set driven key to join one point to another. When you want to set driven key, you have to place driven plus driver key attribute value. Through this setting, you can make a relationship between two attribute. For Example you have a ball and a door or every thing else. In this case ball is driving key and door is driven key. Another dissimilar thing is that when you set a key the time slider does not show any red color mark. When you set driven key, Maya produce a graph editor to show relation in given attribute.