Auto fill email ID in Incident Response Channel

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Hi Team,

Business Requirement : Need Auto fill email ID privilege in "Incident Response Channel"  

For Example : One of the E-mail id in my RightNow is "[email protected]" if I type the partial email in "E-mail - Incident Response Channel"  CC space then it should show the option as [email protected] , [email protected], [email protected]

Can you suggest some solution?

PFA for "Incident Response Channel"  CC space