I am trying to get metadata of each mosaic image element defined with its attributes using datastore.properties postgis indexing method. Is it possible to get that info in some way using Geoserver CSW service ? I tried GetRecords type of request but it only returns layer metadata

Request:

endpoint

/geoserver/csw 

reqBody

<?xml version="1.0" encoding="UTF-8"?>
<GetRecords service="CSW" version="2.0.2" maxRecords="50" startPosition="1" resultType="results" outputFormat="application/xml" outputSchema="http://www.opengis.net/cat/csw/2.0.2" xmlns="http://www.opengis.net/cat/csw/2.0.2" xmlns:csw="http://www.opengis.net/cat/csw/2.0.2" xmlns:ogc="http://www.opengis.net/ogc" xmlns:ows="http://www.opengis.net/ows" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dct="http://purl.org/dc/terms/" xmlns:gml="http://www.opengis.net/gml" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.opengis.net/cat/csw/2.0.2 ../../../csw/2.0.2/CSW-discovery.xsd">
  <Query typeNames="csw:Record">
    <ElementSetName typeNames="csw:Record">full</ElementSetName>
    <Constraint version="1.1.0">
      <ogc:Filter>
        <ogc:PropertyIsLike wildCard="%" singleChar="_" escapeChar="\">
          <ogc:PropertyName>dc:title</ogc:PropertyName>
          <ogc:Literal>%esat%</ogc:Literal>
        </ogc:PropertyIsLike>
      </ogc:Filter>
    </Constraint>
  </Query>
</GetRecords>

Response:

<?xml version="1.0" encoding="UTF-8"?>
<csw:GetRecordsResponse xmlns:csw="http://www.opengis.net/cat/csw/2.0.2" xmlns:rim="urn:oasis:names:tc:ebxml-regrep:xsd:rim:3.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dct="http://purl.org/dc/terms/" xmlns:ows="http://www.opengis.net/ows" xmlns:ogc="http://www.opengis.net/ogc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="2.0.2" xsi:schemaLocation="http://www.opengis.net/cat/csw/2.0.2 http://192.168.180.132:9091/geoserver/schemas/csw/2.0.2/record.xsd">
    <csw:SearchStatus timestamp="2022-12-15T16:14:46.543Z"/>
    <csw:SearchResults numberOfRecordsMatched="1" numberOfRecordsReturned="1" nextRecord="0" recordSchema="http://www.opengis.net/cat/csw/2.0.2" elementSet="full">
        <csw:Record>
            <dc:identifier>testiranje_rastera:esat3</dc:identifier>
            <dc:creator>GeoServer Catalog</dc:creator>
            <dct:references scheme="OGC:WMS">http://192.168.180.132:9091/geoserver/wms?service=WMS&amp;request=GetMap&amp;layers=testiranje_rastera:esat3</dct:references>
            <dc:subject>esat3</dc:subject>
            <dc:subject>WCS</dc:subject>
            <dc:subject>ImageMosaic</dc:subject>
            <dc:description>Generated from ImageMosaic</dc:description>
            <dc:title>esat3</dc:title>
            <dc:type>http://purl.org/dc/dcmitype/Dataset</dc:type>
            <ows:BoundingBox crs="urn:x-ogc:def:crs:EPSG:6.11:4326">
                <ows:LowerCorner>45.75093578854459 16.035794771100694</ows:LowerCorner>
                <ows:UpperCorner>45.9313002833765 16.152964170260535</ows:UpperCorner>
            </ows:BoundingBox>
        </csw:Record>
    </csw:SearchResults>
</csw:GetRecordsResponse>