Sharepoint 2010 Out of the Box features - Multi State Workflow

I had a requirement where in first step Item should be sent to Approvers for approval.
And if its approved subsequently item request should be forwarded to another group who
will be downloading related attachments and marks workflow complete.

If at step 1 approvers rejects the item request, workflow should be terminated.
Here is what I configured in 2010 Sharepoint...

Step 1 - Select Three State Workflow from available workflow list











Step 2 - Configure Various States of Workflow and Step 1 details









Step 3 - Configure Middle State of workflow and complete

Sharepoint 2010 Out of the Box features - Add Unique Key on List column

In Sharepoint 2010 now you can setup unique key constraint on column. While creating column
select "Enforce unique values" and Sharepoint will index the field.. Bingo...

Sharepoint 2010 Out of the Box features - Validate List field

Have you wrote code to validate a column in Sharepoint 2007? Well 2010 solves the problem. You can configure the validation out of the box at column level in Sharepoint 2010 List...

Here you Go..

Enter your validation and custom message and bingo....

and when you insert\edit item you will see validator message...