IMP Readme for Sql Export Module

sql_export/README.rst

@@ -37,6 +37,16 @@ Dashboards > Sql Export.
 .. image:: https://odoo-community.org/website/image/ir.attachment/5784_f2813bd/datas
     :alt: Try me on Runbot
     :target: https://runbot.odoo-community.org/runbot/149/10.0
+    
+
+Specific use with parameters
+----------------------------
+
+- `%(company_id)s` allows to set in the query the company id of the user
+- `%(user_id)s` allows to set in the query the user id
+- for any created field with `Sql Export Variables` menu, you can use it with `%(x_field_example)s` syntax 
+  (Limitation for relational fields)
+
 
 Bug Tracker
 ===========