ErrAccessDenied Access Denied.

ErrBadHandler Response status not set correctly, etc.

ErrBadParam Missing parameter or wrong parameter type.

ErrBadRequest Formatting errors (including implementations that do not support MessagePack), missing required fields, or incorrect field types.

ErrBadSegmentData The Chatbot implementation does not implement the semantics of this parameter.

ErrBadSegmentType Missing parameter or wrong parameter type.

ErrDatabaseError Such as database query failure.

ErrDatabaseReadError Such as database read failure.

ErrDatabaseWriteError Such as database write failure.

ErrEmitEventError Emit event error.

ErrFilesystemError If reading or writing a file fails, etc.

ErrFlagError Flag error.

ErrFlagExpired Flag expired.

ErrIAmTired A Chatbot realizes the decision to strike.

ErrInternalHandler An uncaught and unexpected exception has occurred within the Chatbot implementation.

ErrInternalServerError Internal server error.

ErrLoginError Such as trying to send a message to a non-existent user.

ErrMethodNotAllowed Invalid HTTP method.

ErrNetworkError e.g.

ErrNotAuthorized Not authorized.

ErrNotFound not found.

ErrOAuthError OAuth error.

ErrParamVerificationFailed Missing parameter or wrong parameter type.

ErrPlatformError e.g.

ErrSendMessageFailed Failed to send a message.

ErrShutdownError Shutdown error.

ErrTokenError missing, invalid or expired access token.

ErrUnknownSelf The bot account specified by the action request does not exist.

ErrUnsupported The Chatbot implementation does not implement the semantics of this parameter.

ErrUnsupportedAction The Chatbot implementation does not implement this action.

ErrUnsupportedSegment The Chatbot implementation does not implement this segment type.

ErrWhoAmI Chatbot implements support for multiple bot accounts on a single Chatbot Connect connection, but the action request does not specify the account to be used.

Action An interface for the application to actively obtain information about the Chatbot implementation or robot platform and to control the behavior of the Chatbot implementation or robot.

Adapter Responsible for converting platform messages to chatbot event/message formats.

Driver Functional implementation of the client/server responsible for receiving and sending messages (usually HTTP communication).