diff --git a/MultiContractTutorial/contracts/Multisig.sol/hotelBookingsMultiSigWallet.sol b/MultiContractTutorial/contracts/Multisig.sol/hotelBookingsMultiSigWallet.sol
new file mode 100644
index 00000000..b18387da
--- /dev/null
+++ b/MultiContractTutorial/contracts/Multisig.sol/hotelBookingsMultiSigWallet.sol
@@ -0,0 +1,94 @@
+// SPDX-License-Identifier:""
+pragma solidity ^0.8.20;
+
+contract hotelBooking{
+    address public owner;
+    uint public noOfRooms
+}
+
+//defining a struct for the hotel  room
+struct hotelRoom
+{
+   string categoryName;
+   uint tariff;
+   bool occupied;
+   uint review;
+   uint reviewNo;
+   address costumersBooked;
+   bool booked;
+   uint checkoutTimestamp;
+}
+
+//mapping from room number to room details. 
+mapping(uint => hotelRoom) public hotelRoomDetails;
+
+//constructor to set the contract owner and activate room
+constructor()
+{
+    owner = msg.sender;
+    setHotelRoom(1, "Royal", 10);
+    setHotelRoom(2, "Premium", 5);
+    setHotelRoom(3, "Delux", 3);
+
+}
+
+//modifying to ensure thatz only the contract owsnser can call t.he modifer
+modifier onlyOwner()
+{
+    require(msg.sender == owner, "only the contract owner can call this function")
+}
+struct costumer
+{
+string name;
+string addres;
+uint custIdNo;
+}
+
+//function to set hotel room details
+function setHotelRoom( uint _roomNo, string memory _categoryName,
+uint _tariff) public onlyOwner
+{
+hotelRoomDetails[ _roomNo].categoryName = _categoryName;
+hotelRoomDetails[ _roomNo].tariff = _tariff;
+hotelRoomDetails[ _roomNo].review = 0;
+hotelRoomDetails[ _roomNo].reviewNo = 0;
+hotelRoomDetails[ _roomNo].occupied = false;
+hotelRoomDetails[ _roomNo].customerBooked = address(0);
+hotelRoomDetails[ _roomNo].false;
+hotelRoomDetails[ _roomNo].checkoutTimestamp = 0;
+noOfRooms++;
+}
+
+//function to book the Royal room.
+function bookRoomRoyal() public payable
+{
+    require(msg.value == 10, "Incorrect payment amount");
+    require(!hotelRoomDetails[1].booked, "Room is already booked");
+    hotelRoomDetails[1].booked =true;
+    hotelRoomDetails[1].occupied = true;
+    hotelRoomDetails[1].customerBooked = msg.sender;
+    hotelRoomDetails[1].checkoutTimestamp = block.timestamp;
+}
+
+//funcetion to book the Premuim room.
+function bookRoomPremium() public payable
+{
+    require(msg.value == 5, "Incorrect payment amount");
+    require(!hotelRoomDetails[2].booked, "Room is already booked");
+    hotelRoomDetails[2].booked = true;
+    hotelRoomDetails[2].occupied = true;
+    hotelRoomDetails[2].customerBooked = msg.sender;
+    hotelRoomDetails[2].checkoutTimestamp = block.timestamp;
+}
+
+//function to book delux room. 
+function bookRoomDelux() public payable
+{
+    require(msg.value == 2, "Incorrect payment amount");
+    require(!hotelRoomDetails[3].booked, "Room is already occupied");
+    hotelRoomDetails[3].booked = true;
+    hotelRoomDetails[3].occupied = true;
+    hotelRoomDetails[3].customerBooked = msg.sender;
+    hotelRoomDetails[3].checkoutTimestamp = block.timestamp;
+}
+
diff --git a/MultiContractTutorial/contracts/hotelBookings.sol b/MultiContractTutorial/contracts/hotelBookings.sol
new file mode 100644
index 00000000..b18387da
--- /dev/null
+++ b/MultiContractTutorial/contracts/hotelBookings.sol
@@ -0,0 +1,94 @@
+// SPDX-License-Identifier:""
+pragma solidity ^0.8.20;
+
+contract hotelBooking{
+    address public owner;
+    uint public noOfRooms
+}
+
+//defining a struct for the hotel  room
+struct hotelRoom
+{
+   string categoryName;
+   uint tariff;
+   bool occupied;
+   uint review;
+   uint reviewNo;
+   address costumersBooked;
+   bool booked;
+   uint checkoutTimestamp;
+}
+
+//mapping from room number to room details. 
+mapping(uint => hotelRoom) public hotelRoomDetails;
+
+//constructor to set the contract owner and activate room
+constructor()
+{
+    owner = msg.sender;
+    setHotelRoom(1, "Royal", 10);
+    setHotelRoom(2, "Premium", 5);
+    setHotelRoom(3, "Delux", 3);
+
+}
+
+//modifying to ensure thatz only the contract owsnser can call t.he modifer
+modifier onlyOwner()
+{
+    require(msg.sender == owner, "only the contract owner can call this function")
+}
+struct costumer
+{
+string name;
+string addres;
+uint custIdNo;
+}
+
+//function to set hotel room details
+function setHotelRoom( uint _roomNo, string memory _categoryName,
+uint _tariff) public onlyOwner
+{
+hotelRoomDetails[ _roomNo].categoryName = _categoryName;
+hotelRoomDetails[ _roomNo].tariff = _tariff;
+hotelRoomDetails[ _roomNo].review = 0;
+hotelRoomDetails[ _roomNo].reviewNo = 0;
+hotelRoomDetails[ _roomNo].occupied = false;
+hotelRoomDetails[ _roomNo].customerBooked = address(0);
+hotelRoomDetails[ _roomNo].false;
+hotelRoomDetails[ _roomNo].checkoutTimestamp = 0;
+noOfRooms++;
+}
+
+//function to book the Royal room.
+function bookRoomRoyal() public payable
+{
+    require(msg.value == 10, "Incorrect payment amount");
+    require(!hotelRoomDetails[1].booked, "Room is already booked");
+    hotelRoomDetails[1].booked =true;
+    hotelRoomDetails[1].occupied = true;
+    hotelRoomDetails[1].customerBooked = msg.sender;
+    hotelRoomDetails[1].checkoutTimestamp = block.timestamp;
+}
+
+//funcetion to book the Premuim room.
+function bookRoomPremium() public payable
+{
+    require(msg.value == 5, "Incorrect payment amount");
+    require(!hotelRoomDetails[2].booked, "Room is already booked");
+    hotelRoomDetails[2].booked = true;
+    hotelRoomDetails[2].occupied = true;
+    hotelRoomDetails[2].customerBooked = msg.sender;
+    hotelRoomDetails[2].checkoutTimestamp = block.timestamp;
+}
+
+//function to book delux room. 
+function bookRoomDelux() public payable
+{
+    require(msg.value == 2, "Incorrect payment amount");
+    require(!hotelRoomDetails[3].booked, "Room is already occupied");
+    hotelRoomDetails[3].booked = true;
+    hotelRoomDetails[3].occupied = true;
+    hotelRoomDetails[3].customerBooked = msg.sender;
+    hotelRoomDetails[3].checkoutTimestamp = block.timestamp;
+}
+