Tie client certificate / trusted server certificate in integration component

Appian Team,

Imported client certfiicate to trusted server certificate section in admin console with out any issue.  In the grid area can see a record  with subject serial Number ValidFrom Valid To thumbPrint details. In integration object can see None / Basic Authentication options in dropdown, there is no option to select certificate. Can you provide  detailed explanation how to refer imported specific certificate in integration component?

Using Version 20.2

Thanks,
Srikrishna Ravi.