# description
Indicates whether the event succeeded or failed.

# concept[].definition
The operation completed successfully (whether with warnings or not).

# concept[].definition
The action was not successful due to some kind of minor failure (often equivalent to an HTTP 400 response).

# concept[].definition
The action was not successful due to some kind of unexpected error (often equivalent to an HTTP 500 response).

# concept[].definition
An error of such magnitude occurred that the system is no longer available for use (i.e. the system died).