diff --git a/Technical-Wiki.md b/Technical-Wiki.md
index c8a6234..9e2b906 100644
--- a/Technical-Wiki.md
+++ b/Technical-Wiki.md
@@ -177,3 +177,10 @@ $field = Array
 		}
 
 ````
+* To link a table's (````chq_batches````) displayed field (````ORID````) value to an external file as a link with it's value in the url using a $_GET variable (````orid````):
+````
+		function selectLink($val, $field) {
+			if ($field['field'] == 'ORID' && $_GET['select'] == 'chq_batches' && $val !== NULL)
+				return 'orslip.php?select=chq_batches&orid='.$val;
+		}
+````