Update Document Metadata - rest/v2/api/updatemetadata

JSON Payload

XML TagAttributeValue
searchbloxapikeyAPI key from https://localhost:8443/searchblox/admin/main.jsp?menu1=adm
documentcolnameName of the Http or file collection
documenturlValue of file location (http://... or c:\documents...)
documentmetaall custom fields go in here in meta section as sub fields of document.
Language
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