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1. Set the topic using the function node that feeds to the Facts Manager node.
   Sample code for the function node:

   Code Block
   var _ = global.get('lodash'); _.set(msg, 'payload.orbita.facts.topic',"Voice search") return msg;

2. Select the K-Graph and select Relationships from the populate field in the Facts Manager node.

   

3. You will get the list of all the Relationships associated with the topic Voice search in the debug tab at
   msg.payload.hub.relationships

Troubleshoot

If you did not select the Knowledge Graph in step 2, you will get the error “Mandatory field kgraphId is missing“ on the Facts Manager node in the Experience Designer. (Refer to screenshot below for the error message.)

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