refs #16370 [master-v5] adds getContainedWorks function

module/finc/src/finc/RecordDriver/SolrMarcFincTrait.php

@@ -2297,4 +2297,15 @@ trait SolrMarcFincTrait
         }
         return implode(', ', array_unique($retVal));
     }
+
+    /**
+     * Return contained works.
+     * Reads MARC field 501 - With Note
+     *
+     * @return mixed
+     */
+    public function getContainedWorks()
+    {
+        return $this->getFieldArray('501');
+    }
 }