# Parameters and configuration **Parameters**
-s SOURCE\_URL, --source\_url SOURCE\_URLURL of elastic source environment to be migrated
-d DESTINATION\_URL, --destination\_url DESTINATION\_URLURL of the opensearch target environment
-P INDEX\_PATTERN, --index\_pattern INDEX\_PATTERNIndex pattern to be migrated, by default: pandorafms\*.
-a, --use\_authFlag, use basic authentication
-u USER, --user USERUser for basic authentication, by default: admin
-p PASSWORD, --password PASSWORDBasic authentication password, default: admin
-t TIMEOUT, --timeout TIMEOUTTime to wait between index migrations
-f, --forceDeletes the index at the destination if it exists and forces migration
-C, --compareCompares the source and destination indexes and the status of each.
-v, --verboseFlag, shows step by step all migration actions, for debugging.
[![image.png](https://pandorafms.com/guides/public/uploads/images/gallery/2023-11/scaled-1680-/wboimage.png)](https://pandorafms.com/guides/public/uploads/images/gallery/2023-11/wboimage.png)