how to enable cc ( closed captions )

[mcote7]

here is my config =

              config={{
                prejoinPageEnabled: false,
                disableDeepLinking: true,
                transcribingEnabled: true
              }}

              interfaceConfig={{
                APP_NAME: 'Cotes Chat',
                DISABLE_TRANSCRIPTION_SUBTITLES: false,
                LANG_DETECTION: true,
                TOOLBAR_BUTTONS: ['microphone', 'camera', 'closedcaptions', 'desktop', 'fullscreen',
                'fodeviceselection', 'hangup', 'profile', 'info', 'chat', 'recording',
                'livestreaming', 'etherpad', 'sharedvideo', 'settings', 'raisehand',
                'videoquality', 'filmstrip', 'invite', 'feedback', 'stats', 'shortcuts',
                'tileview', 'videobackgroundblur', 'download', 'help', 'mute-everyone'],
                TOOLBAR_ALWAYS_VISIBLE: true
              }}

[mcote7]

my bad this is a Question not a how to it is NOT working with this config .