diff --git a/gestion/lib/Constants/GeoConstant.php b/gestion/lib/Constants/GeoConstant.php
new file mode 100644
index 0000000..874119b
--- /dev/null
+++ b/gestion/lib/Constants/GeoConstant.php
@@ -0,0 +1,8 @@
+<?php
+declare(strict_types=1);
+
+namespace OCA\Gestion\Constants;
+abstract class GeoConstant 
+{
+    const DRIVING_MODE = "drive";
+}
\ No newline at end of file