result">: <span class="extype" name="org.apache.spark.sql.expressions.UserDefinedFunction">UserDefinedFunction</span></span>
      </span>
      
      <p class="shortcomment cmt">dataframe annotation flatmap of metadata values as ArrayType</p>
    </li><li name="com.johnsnowlabs.nlp.Annotation#flattenDetail" visbl="pub" class="indented0 " data-isabs="false" fullComment="no" group="Ungrouped">
      <a id="flattenDetail(vSep:String,aSep:String,parseEmbeddings:Boolean):org.apache.spark.sql.expressions.UserDe