Here is a list of all documented struct and union fields with links to the struct/union documentation for each field:

• channel_closed : ctl_app_listener , ctl_channel_listener
• channel_created : ctl_app_listener
• on_event : ctl_trade_listener
• on_invalid_event : ctl_trade_listener
• trade_closed : ctl_channel_listener
• trade_created : ctl_channel_listener