diff --git a/src/lib.cpp b/src/lib.cpp
index 1cdc3db..53e0857 100644
--- a/src/lib.cpp
+++ b/src/lib.cpp
@@ -16,8 +16,6 @@ enum VALIDATION_STATUS {
 };
 
 void run() {
-    Room room1(1, "Room 1", 1710087364, RoomStatus::IN_PROGRESS);
-    Room room2(2, "Room 2", 1710087384, RoomStatus::ENDED);
     const Action kill = Action("kill", true);
     const Action heal = Action("heal", true);
     const Action vote = Action("vote", true);
@@ -29,6 +27,8 @@ void run() {
     std::vector<Event> relatedEvents({event2, event3});
     Player player1 = Player("player1", role1, PlayerStatus::ALIVE);
     Player player2 = Player("player2", role1, PlayerStatus::ALIVE);
+    Room room1(1, "Room 1", 1710087364, RoomStatus::IN_PROGRESS, {player1, player2});
+    Room room2(2, "Room 2", 1710087384, RoomStatus::ENDED, {player1, player2});
     int actionValidated = validateAction(&player1, &kill, &room1, &relatedEvents, &player2);
     std::cout << actionValidated << std::endl;
 }
diff --git a/src/prep/prep.cpp b/src/prep/prep.cpp
index 93580fe..5ec4935 100644
--- a/src/prep/prep.cpp
+++ b/src/prep/prep.cpp
@@ -35,10 +35,21 @@ Player::Player(std::string username, Role role, PlayerStatus playerStatus):
     playerStatus(playerStatus) {
 }
 
-Room::Room(uint32_t id, std::string title, uint32_t utcTimestampCreatedAt, RoomStatus status):
+Room::Room(
+  uint32_t id, std::string title, uint32_t utcTimestampCreatedAt, RoomStatus status, std::vector<Player> players):
     id(id),
     title(title),
-    status(status) {
+    status(status),
+    players(players) {
+    this->utcTimestampCreatedAt = createUTCTimestamp(utcTimestampCreatedAt);
+}
+
+Room::Room(uint32_t id,
+           std::string title,
+           uint32_t utcTimestampCreatedAt,
+           RoomStatus status,
+           std::initializer_list<Player> players):
+    Room(id, title, utcTimestampCreatedAt, status, std::vector<Player>(players)) {
     this->utcTimestampCreatedAt = createUTCTimestamp(utcTimestampCreatedAt);
 }
 
diff --git a/src/prep/prep.hh b/src/prep/prep.hh
index 093aa79..65a70ac 100644
--- a/src/prep/prep.hh
+++ b/src/prep/prep.hh
@@ -65,8 +65,15 @@ struct Room {
     std::string title;
     std::tm *utcTimestampCreatedAt;
     RoomStatus status;
+    std::vector<Player> players;
 
-    Room(uint32_t id, std::string title, uint32_t utcTimestampCreatedAt, RoomStatus status);
+    Room(
+      uint32_t id, std::string title, uint32_t utcTimestampCreatedAt, RoomStatus status, std::vector<Player> players);
+    Room(uint32_t id,
+         std::string title,
+         uint32_t utcTimestampCreatedAt,
+         RoomStatus status,
+         std::initializer_list<Player> players);
 };
 
 struct Event {