Create a Queue Processor rule to queue your items. You can use a Queue Processor rule
        for immediate or delayed processing, for tasks such as sending emails to users or updating
        the database of user logins.
        - 
                In Dev Studio, click .
            
 
- 
                Add a label and a ruleset to your Queue Processor.
            
 
- 
                Click Create and open.
            
 
- 
                In the Associated with node type drop-down list, click a
                    node type to associate with your Queue Processor.
            
 
- 
                In the Class field, specify the class of an item that
                    you want to queue.
                
The class that you specify must contain the activity that you want your Queue
                    Processor to resolve.
             
- 
                In the Activity field, specify an activity that you want
                    your Queue Processor to resolve.
            
 
- 
                Determine the time when you want your Queue Processor to run by selecting one
                    of the following options: 
                
            
 
- 
                In the Number of threads per node field, enter the
                    number of threads that you want to process your items in a node.
            
 
- 
                In the Max attempts field, enter the number of attempts
                    that you want your Queue Processor to perform before the item is moved to the
                    broken items queue.
            
 
- 
                Click Save.