In the first step we create an extraction in Xtract Universal (refer to Step I: Define a Table Extraction).
In the second step we select an OData destination, e.g. the default http-odata-atom destination (refer to Managing Destinations and OData Atom).

XU-OData-Destination

Now select the extraction and click on Run. Copy the OData URL from the URL field.

XU-OData-URL