Count

Integer

Yes

Returns the number of values in the array.

Error

Integer

Yes

Returns the error message generated by the VHS. A value of zero indicates success. See CxVhs Error Codes.

PointError

Integer

Yes

Returns the history error of an entry in the array. The history error explains if there was an error in retrieval for a particular entry based on tagstring/timestamp. This field is an array of Integer subtypes.

Statistics

Variant

Yes

Returns the entry count, timestamp start, timestamp end, and expiration days for a point in the VHS. Statistics are stored in an indexed array as HistoryStats objects.

Version

Integer

Yes

Returns the message version. This property ensures compatibility with software release versions of the VHS.