diff --git a/index.ts b/index.ts
index 51979d6..caecb63 100644
--- a/index.ts
+++ b/index.ts
@@ -2,10 +2,32 @@ import {Cheerio, Element, load} from "cheerio";
 import {readFileSync} from "fs";
 import {parse} from "date-fns";
 import {inspect} from "util";
+import fetch from "node-fetch";
+import {z} from "zod";
 
 const $ = load(readFileSync('list.html'));
 const classes = $('#scheduleListView').children('.listViewWrapper');
 
+const subject_schema = z.object({
+    code: z.string(),
+    description: z.string(),
+});
+
+
+const subjects = await z.array(subject_schema).parseAsync(
+    await fetch(
+        'https://ssbprod.utsa.edu/StudentRegistrationSsb/ssb/classSearch/get_subject' + '?' + new URLSearchParams({
+            "searchTerm": "",
+            "term": "202410",
+            "offset": "1",
+            "max": "999"
+        })
+    ).then((response) => {
+        return response.json();
+    })
+);
+
+
 function getOffset(period: string) {
     switch (period) {
         case "AM":
@@ -38,7 +60,10 @@ function extractDetails(source: Cheerio<Element>) {
     const raw_date = source.find('span.meetingTimes').text();
     const [start_date, end_date] = raw_date.split("--").map((date) => parse(date.trim(), "MM/dd/yyyy", new Date()));
 
+    const identifier = source.find('span.list-view-subj-course-section').text();
+
     return {
+        identifier,
         date: {
             start: start_date,
             end: end_date,
diff --git a/package.json b/package.json
index bdb3de1..1b4d0c9 100644
--- a/package.json
+++ b/package.json
@@ -18,8 +18,10 @@
     "cheerio": "^1.0.0-rc.12",
     "date-fns": "^2.30.0",
     "ics": "^3.2.0",
+    "node-fetch": "^3.3.2",
     "ts-node": "^10.9.1",
-    "typescript": "^5.1.6"
+    "typescript": "^5.1.6",
+    "zod": "^3.21.4"
   },
   "keywords": [
     "schedule",
diff --git a/yarn.lock b/yarn.lock
index d1a4354..52dc023 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -125,6 +125,11 @@ css-what@^6.1.0:
   resolved "https://registry.yarnpkg.com/css-what/-/css-what-6.1.0.tgz#fb5effcf76f1ddea2c81bdfaa4de44e79bac70f4"
   integrity sha512-HTUrgRJ7r4dsZKU6GjmpfRK1O76h97Z8MfS1G0FozR+oF2kG6Vfe8JE6zwrkbxigziPHinCJ+gCPjA9EaBDtRw==
 
+data-uri-to-buffer@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/data-uri-to-buffer/-/data-uri-to-buffer-4.0.1.tgz#d8feb2b2881e6a4f58c2e08acfd0e2834e26222e"
+  integrity sha512-0R9ikRb668HB7QDxT1vkpuUBtqc53YyAwMwGeUFKRojY/NWKvdZ+9UYtRfGmhqNbRkTSVpMbmyhXipFFv2cb/A==
+
 date-fns@^2.30.0:
   version "2.30.0"
   resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-2.30.0.tgz#f367e644839ff57894ec6ac480de40cae4b0f4d0"
@@ -172,6 +177,21 @@ entities@^4.2.0, entities@^4.4.0:
   resolved "https://registry.yarnpkg.com/entities/-/entities-4.5.0.tgz#5d268ea5e7113ec74c4d033b79ea5a35a488fb48"
   integrity sha512-V0hjH4dGPh9Ao5p0MoRY6BVqtwCjhz6vI5LT8AJ55H+4g9/4vbHx1I54fS0XuclLhDHArPQCiMjDxjaL8fPxhw==
 
+fetch-blob@^3.1.2, fetch-blob@^3.1.4:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/fetch-blob/-/fetch-blob-3.2.0.tgz#f09b8d4bbd45adc6f0c20b7e787e793e309dcce9"
+  integrity sha512-7yAQpD2UMJzLi1Dqv7qFYnPbaPx7ZfFK6PiIxQ4PfkGPyNyl2Ugx+a/umUonmKqjhM4DnfbMvdX6otXq83soQQ==
+  dependencies:
+    node-domexception "^1.0.0"
+    web-streams-polyfill "^3.0.3"
+
+formdata-polyfill@^4.0.10:
+  version "4.0.10"
+  resolved "https://registry.yarnpkg.com/formdata-polyfill/-/formdata-polyfill-4.0.10.tgz#24807c31c9d402e002ab3d8c720144ceb8848423"
+  integrity sha512-buewHzMvYL29jdeQTVILecSaZKnt/RJWjoZCF5OW60Z67/GmSLBkOFM7qh1PI3zFNtJbaZL5eQu1vLfazOwj4g==
+  dependencies:
+    fetch-blob "^3.1.2"
+
 htmlparser2@^8.0.1:
   version "8.0.2"
   resolved "https://registry.yarnpkg.com/htmlparser2/-/htmlparser2-8.0.2.tgz#f002151705b383e62433b5cf466f5b716edaec21"
@@ -200,6 +220,20 @@ nanoid@^3.1.23:
   resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.6.tgz#443380c856d6e9f9824267d960b4236ad583ea4c"
   integrity sha512-BGcqMMJuToF7i1rt+2PWSNVnWIkGCU78jBG3RxO/bZlnZPK2Cmi2QaffxGO/2RvWi9sL+FAiRiXMgsyxQ1DIDA==
 
+node-domexception@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/node-domexception/-/node-domexception-1.0.0.tgz#6888db46a1f71c0b76b3f7555016b63fe64766e5"
+  integrity sha512-/jKZoMpw0F8GRwl4/eLROPA3cfcXtLApP0QzLmUT/HuPCZWyB7IY9ZrMeKw2O/nFIqPQB3PVM9aYm0F312AXDQ==
+
+node-fetch@^3.3.2:
+  version "3.3.2"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-3.3.2.tgz#d1e889bacdf733b4ff3b2b243eb7a12866a0b78b"
+  integrity sha512-dRB78srN/l6gqWulah9SrxeYnxeddIG30+GOqK/9OlLVyLg3HPnr6SqOWTWOXKRwC2eGYCkZ59NNuSgvSrpgOA==
+  dependencies:
+    data-uri-to-buffer "^4.0.0"
+    fetch-blob "^3.1.4"
+    formdata-polyfill "^4.0.10"
+
 nth-check@^2.0.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/nth-check/-/nth-check-2.1.1.tgz#c9eab428effce36cd6b92c924bdb000ef1f1ed1d"
@@ -276,6 +310,11 @@ v8-compile-cache-lib@^3.0.1:
   resolved "https://registry.yarnpkg.com/v8-compile-cache-lib/-/v8-compile-cache-lib-3.0.1.tgz#6336e8d71965cb3d35a1bbb7868445a7c05264bf"
   integrity sha512-wa7YjyUGfNZngI/vtK0UHAN+lgDCxBPCylVXGp0zu59Fz5aiGtNXaq3DhIov063MorB+VfufLh3JlF2KdTK3xg==
 
+web-streams-polyfill@^3.0.3:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/web-streams-polyfill/-/web-streams-polyfill-3.2.1.tgz#71c2718c52b45fd49dbeee88634b3a60ceab42a6"
+  integrity sha512-e0MO3wdXWKrLbL0DgGnUV7WHVuw9OUvL4hjgnPkIeEvESk74gAITi5G606JtZPp39cd8HA9VQzCIvA49LpPN5Q==
+
 yn@3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/yn/-/yn-3.1.1.tgz#1e87401a09d767c1d5eab26a6e4c185182d2eb50"
@@ -290,3 +329,8 @@ yup@^1.2.0:
     tiny-case "^1.0.3"
     toposort "^2.0.2"
     type-fest "^2.19.0"
+
+zod@^3.21.4:
+  version "3.21.4"
+  resolved "https://registry.yarnpkg.com/zod/-/zod-3.21.4.tgz#10882231d992519f0a10b5dd58a38c9dabbb64db"
+  integrity sha512-m46AKbrzKVzOzs/DZgVnG5H55N1sv1M8qZU3A8RIKbs3mrACDNeIOeilDymVb2HdmP8uwshOCF4uJ8uM9rCqJw==