Kind: Str

Indicates how interpolation of a historized point should be handled. Valid values are "cov" and "linear":

If this tag is not defined, then the default behavior for Bool and Str histories is to use "cov" mode and Number histories use "linear".

From: Structure | Point His

If a point is historized this means that we have a time-series sampling of the point's value over a time range. Historized points are sometimes called logged or trended points. Historized points should be tagged with the his tag.

Historized points can have their time-series data read/write over HTTP via the hisRead and hisWrite operations.

If a point implements the his tag, then it should also implement these tags:

The current status of historization is modeled with: