ResponseStatusCode indicates if the operation succeeded or failed, and if it failed - why. ResponseStatusText is a textual description of ResponseStatusCode. For all operations the set of response codes must be defined. The actual set is dependent upon the context.
- "OK": Operation succeded.
- "ERR01":
- "ERR02":
- "":
- "":
- "ERR99": Other error. "statusText" should describe the error.
