View Source ExTDLib.Object.AutoDownloadSettingsPresets (ExTDLib v0.0.4)

Contains auto-download settings presets for the current user.

NameTypeDescription
lowautoDownloadSettingsPreset with lowest settings; supposed to be used by default when roaming.
mediumautoDownloadSettingsPreset with medium settings; supposed to be used by default when using mobile data.
highautoDownloadSettingsPreset with highest settings; supposed to be used by default when connected on Wi-Fi.

More details on telegram's documentation.