documentation, for export function

README.md

@@ -60,6 +60,23 @@ We wrote this frame to be used in both command line or as a library within in yo
             --config    configuration to support data-store
         
 
+    The configuration file template for exports is as follows :
+
+
+        {"provider":"<postgresql|redshift|mysql|mariadb>","db":"mydatabase",["host":"server-name","port":5432,"user":"me","password":"!@#z4qm","schema":"target-schema"]}
+
+    **parameters:**
+
+        provider    postgresql,redshift,mysql or mariadb (supported providers)
+        db          name of the database
+    
+    **optional:**
+        schema      name of the target schema. If not provided we will assume the default
+        host        host of the database. If not provided assuming localhost
+        port        port value of the database if not provided the default will be used
+        user        database user name. If not provided we assume security settings to trust
+        password    password of database user. If not set we assume security settings to trust
+
 **Embedded in Code   :**
 
 The Healthcare/IO **parser** can be used within your code base as a library and handle storing data in a data store of choice