The Service Manager 2010 Software Development Kit (SDK) documentation is now released on MSDN. There are some good code samples and most importantly all the reference documentation for the API layer.
MSDN also now supports community contributions. Please feel free to add your own comments, examples, code samples, etc!
http://msdn.microsoft.com/en-us/library/gg469708.aspx
Now it is not there any longer. You can find it here: www.microsoft.com/.../details.aspx
More detail here: blogs.technet.com/.../update-on-scsm-sdk-documentation-new-location.aspx