{"view_photo",{ca_number,ca_none},do_open_photo,"view_photo <msg-id>\tDownloads file to downloads dirs. Then tries to open it with system default action"},
{"view_video",{ca_number,ca_none},do_open_video,"view_video <msg-id>\tDownloads file to downloads dirs. Then tries to open it with system default action"},
{"view_video_thumb",{ca_number,ca_none},do_open_video_thumb,"view_video_thumb <msg-id>\tDownloads file to downloads dirs. Then tries to open it with system default action"},
{"view",{ca_number,ca_none},do_open_any,"view <msg-id>\tTries to view message contents"},
{"visualize_key",{ca_secret_chat,ca_none},do_visualize_key,"visualize_key <secret chat>\tPrints visualization of encryption key (first 16 bytes sha1 of it in fact}"},