title: How to convert my expressions in to an actual field without showing an error? =SUM(IIF(Fields!Actual_Duration.Value >= 10, "Intervene", "Leave"))
body: <p>How to convert my expressions in to an actual field without showing an error? I am trying to create the below into a field so I can use an expression which will count the &quot;Intervenes&quot;</p>
  <p>=SUM(IIF(Fields!Actual_Duration.Value &gt;= 10, &quot;Intervene&quot;, &quot;Leave&quot;))</p>
  <p>Any help would be appreciated!</p>