Karthik,
The features to manually search knowledge and to generate an after call summary are available in our Genesys Native agent assist solution and not in the our implementation of Google agent assist.
Also, please note that we recently announced we are deprecating our Google agent assist offer and redirecting clients to the Native solution. If interested, you can get a 90 day free trial on the Appfoundry ( link below) that will allow you to test the voice & digital knowledge surfacing, and the digital conversation summary. Once you have this you can then request access to the voice summary beta through the Beta community site and select the "Agent Assist Voice Summary" icon.
I hope this helps.
Mike
Appfoundry agent assist link - https://appfoundry.genesys.com/filter/genesyscloud/listing/c6f02620-8067-4abd-82f0-c77ed87c3339
Beta community link - https://community.genesys.com/communities/genesys-cloud-beta-hq?CommunityKey=cbd2f140-168a-4c15-aacb-af2b23aa4329
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Mike Ray
Product Manager - Agent Assist
Mike.Ray@genesys.com------------------------------