diff --git a/src/io.rs b/src/io.rs
index 45ba827..17fa11d 100644
--- a/src/io.rs
+++ b/src/io.rs
@@ -3,7 +3,12 @@ use ics::{
     Event, ICalendar,
 };
 
-type T = Vec<crate::timetable::models::Day>;
+type T = (
+    // Schedules
+    Vec<String>,
+    // Timetable per days with the semester as the key
+    (usize, Vec<crate::timetable::models::Day>),
+);
 type D = std::collections::HashMap<
     usize,
     Vec<(chrono::DateTime<chrono::Utc>, chrono::DateTime<chrono::Utc>)>,
@@ -36,5 +41,7 @@ pub fn export(_timetable: T, _dates: D) -> ICalendar<'static> {
 
     calendar.save_file("target/debug2.ics").unwrap();
 
+    println!("{:#?} - {:#?}", _timetable, _dates);
+
     calendar
 }
diff --git a/src/timetable.rs b/src/timetable.rs
index ea81a47..83917eb 100644
--- a/src/timetable.rs
+++ b/src/timetable.rs
@@ -1,5 +1,3 @@
-use std::collections::HashMap;
-
 use scraper::{Html, Selector};
 
 pub mod models;
@@ -9,7 +7,7 @@ pub async fn timetable(
     year: i8,
     semester: i8,
     letter: Option<char>,
-) -> HashMap<usize, Vec<models::Day>> {
+) -> (Vec<String>, (usize, Vec<models::Day>)) {
     let document = get_webpage(year, semester, letter)
         .await
         .expect("Can't reach timetable website.");
@@ -100,7 +98,7 @@ pub async fn timetable(
         panic!("Error when building the timetable.");
     }
 
-    HashMap::from([(semester as usize, timetable)])
+    (schedules, (semester as usize, timetable))
 }
 
 /// Get timetable webpage