diff --git a/smartgears/ws_explorer_app/defaults/main.yml b/smartgears/ws_explorer_app/defaults/main.yml
new file mode 100644
index 00000000..18023cc6
--- /dev/null
+++ b/smartgears/ws_explorer_app/defaults/main.yml
@@ -0,0 +1,9 @@
+ws_explorer_install: False
+ws_explorer_upgrade: False
+ws_explorer_version: latest
+ws_explorer_name: workspace-explorer-app
+
+ws_explorer_group_id: org.gcube.portlets.user
+ws_explorer_extension: war
+ws_explorer_file: '{{ ws_explorer_name }}-{{ ws_explorer_version }}.{{ ws_explorer_extension }}'
+