   <span class="symbol">
        <span class="name">flattenDetail</span><span class="params">(<span name="vSep">vSep: <span class="extype" name="scala.Predef.String">String</span></span>, <span name="aSep">aSep: <span class="extype" name="scala.Predef.String">String</span></span>, <span name="parseEmbeddings">parseEmbeddings: <span class="extype" name="scala.Boolean">Boolean</span></span>)</span><span class="result">: <span class="extype" name="org.apache.spark.sql.expressions.UserDefinedFunction">UserDefin