This REST API allows to set metadata new values into existing properties of the documents.
With this API you can set metadata with following features:
Metadata properties could contain different types of values: string; datetime; integer; double; boolean; There are many ways to specify what property should be edited. You could Search for properties to set by: name (a part of name, exact phrase, regex match. All names matching is ignorecase); tag (exact tag, possible tag name); value.... You could search for properties to set by: name...property by tag. Required if searching by tag TagOptions.PossibleName...