I found this code snippet for INotifyPropertyChanged
But it shows the code like this :
Unfortunately, this is not possible using code snippets.
What you require would have to transform $property$ or some other literal. Even if you split the property name into 2 parts (first letter and the rest), you would have to make the letter upper case (or the other way - lower case).
Snippets offer only very limited number of transformation functions - precisely 3 for C# and not one of them can give the required result. See Code Snippet Functions on MSDN. This is true for all versions of Visual Studio up to 2013.