# Brain Configuration Defaults These options control some of the default values the bot responds with when something is undetermined ```yaml bot: defaults: default_get: unknown default_property: unknown default_map: unknown ``` * **default_get** - if the '' tag failed to find a value, this the value that is returned. If not defined if defaults to 'unknown' * **default_property** - if the '' tag failed to find a value, this the value that is returned. If not defined if defaults to 'unknown' * **default_map** - if the '' tag failed to find a value, this the value that is returned. If not defined if defaults to 'unknown'