Upgrade or downgrade Slack Connect channel permissions between 'can post only' and 'can post and invite'.

Required Params

• action - Type of action to be taken: upgrade or downgrade Acceptable values: upgrade downgrade ex: upgrade
• channel - The channel ID to change external invite permissions for ex: C123456
• target_team - The encoded team ID of the target team. Must be in the specified channel. ex: T726G27TT

Errors the API can return:

• channel_not_found - Cannot find channel
• invalid_action - The user did not provid a valid action. Valid actions are 'upgrade' or 'downgrade'.
• invalid_target_team - The target team provided is not valid for the channel.
• not_supported - Attempting to upgrade a channel that cannot be upgraded
• restricted_action - A team preference prevents the user from taking this action.

See the Common Errors guide for errors returned by every Web API method.