added jsdoc info to getReferralByPayload function

src/store/index.js

@@ -1371,6 +1371,17 @@ export const useMainStore = defineStore({
                 }, (error) => reject(error));
             });
         },
+        /**
+         * @function getCookieValueByName
+         * @param {object} payload
+         * referralNumber: the sv2 referral's referralNumber
+         * responseDate: the sv2 referral's referralDate or the responseDate associated with the returned duplicate-check record
+         * parentAccountNumber: the client's parentAccountNumber associated with the sv2 referral
+         * correlationId: the correlationId associated with the sv2 referral
+         * @summary
+         * Gets cookie value by name, returns empty string if not found.
+         * @returns {object} returns the response object for the load session api, which returns the sv2 referral information
+         */
         async getReferralByPayload(payload) {
             return await globalMethods.callHttpClient({
                 method: endpoints.LoadSession.method,