To Create a Gap Window Operator:

1. Drag a Gap Window operator from the Palette to the Design view.

2. Connect the input of the new Gap Window component to an operator that has stream output.

3. Double-click the Gap Window operator.

   The property editor opens. Notice that the component has inherited the schema of its input stream.

4. In the Attributes area, set the partition key to the attribute or attributes that you want to use to divide the input stream into substreams.

5. In the Sort By drop-down list, select the attribute that you want to sort by.

   The attribute must have values that can be sorted sequentially.

6. In the Start field, type the attribute value that you want to start with.

7. (Optional) Click the Documentation tab and supply notes on this component.

8. Click OK.