To Create a Notification Stream Operator

1. Drag a Notification Stream operator from the Palette to the Design view.

2. Connect the input of the new Notification Stream component to an operator that has relation output.

3. Double-click the Notification Stream operator.

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

4. Use the Notify Every field and drop-down list to specify the time interval.

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

6. Click OK.