You can also type a keyword in the Search field and click Search. The table refreshes with names that match the keyword.
The names move to the Approved List table.
Apply to All Agents: Applies settings to all existing agents and to any new agent added to an existing/future domain. Future domains are domains not yet created at the time you configured the settings.
Apply to Future Domains Only: Applies settings only to agents added to future domains. This option will not apply settings to new agents added to an existing domain.