# Channel extension

This extension allows to specify some channel settings specific for commercial applications of DMR. For now, it only allow for specifying the encryption key for a digital channel.

##

    channels:
      - digital:
          id: ch1
          name: Example channel
          # all the other channel settings
          commercial:
            encryptionKey: KEY_LABEL

The commercial channel extension is a mapping named commercial. It contains the settings for commercial features for that channel.

For now, there is only one attribute specifying the encryption key associated with the channel.

## Channel extension fields

encryptionKey

- References a encryption key defined within the commercial codeplug extension. See extComEncryption.