Public spaces are not moderated. For more information about public spaces, see Webex App | Public spaces

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Non team members/guests can't moderate a space.

In the space, go to Space Information Settings button represented by a cog icon and select Moderate Space.

In the space, tap the activity menu More options button, select Info, and then tap Moderate.

In the space, tap the activity menu More Options button, select Info, and then tap Moderate.

In the space, click Settings button represented by a cog icon, and then select Moderate Space.