Documentation for 'Fetch and Delete policy API with PolicyName and PolicyVersion'

Issue-ID: POLICY-2585
Signed-off-by: puthuparambil.aditya <aditya.puthuparambil@bell.ca>
Change-Id: I76c41dd139b3d41e1cadc61108682ff4bdc6f6a0
diff --git a/docs/offeredapis.rst b/docs/offeredapis.rst
index 628487c..ee90751 100644
--- a/docs/offeredapis.rst
+++ b/docs/offeredapis.rst
@@ -32,3 +32,17 @@
 Postman collection for `Policy Framework Administration API <https://github.com/onap/policy-pap/blob/master/postman/pap-api-collection.json>`_
 
 Postman collection for `Policy Framework Decision API <https://github.com/onap/policy-xacml-pdp/blob/master/postman/decision-api-collection.json>`_
+
+API Swagger Generation
+----------------------
+
+The standard for API definition in the RESTful API world is the OpenAPI Specification (OAS). The OAS, which is based on
+the original "Swagger Specification," is being widely used in API developments.
+
+Execute the below curl command for swagger generation by filling in the authorization details, IP and Port information:
+
+.. code-block:: bash
+
+  “curl -k --user ‘{user_id}:{password}’ https://{ip}:{port}/swagger.json”
+
+