1.Extend a Basic Output node after the Table node. In the Output node, define a condition to check whether the ospf_config variable exists:
If $ospf_config is not None    (meaning that the OSPF configuration exists)

2.Extend a Highlight Map action node from the Output node, and define it as follows:

1)Select the Highlight Device check box.

2)Select $_device from the drop-down menu of the Device field. The $_device variable refers to the devices you will draw on the map.

3)In the Legend field, type a legend content. For example, enter "OSPF Config".

3.Extent a Draw Note action node from the Highlight Map node.

1)Select the Device Note check box.

2)Select $_device from the drop-down menu of the Device field. The $_device variable refers to the devices you will draw note on.

3)In the Title field, type a legend content. For example, enter "OSPF Config".

4)In the Content field, enter $ and select $ospf_config from the pop-up list.

4.Save and run the Qapp.