diff --git a/DeadmansSwitch.sol b/DeadmansSwitch.sol
index 0b12d7d..b573993 100644
--- a/DeadmansSwitch.sol
+++ b/DeadmansSwitch.sol
@@ -5,20 +5,32 @@ contract DeadmansSwitch {
     // TODO: Declare state variables
     // Hint: You'll need variables for the owner, beneficiary, and last check-in block
 
+    address owner;
+    address benefitiary;
+    uint256 last_check;
+    uint256 checkintime = 10;
     // TODO: Implement constructor
-    constructor(address _beneficiary) {
+    constructor(address _beneficiary) payable  {
         // Hint: Initialize state variables
+        owner = msg.sender;
+        benefitiary = _beneficiary;
+        last_check = block.number;
     }
 
     // TODO: Implement still_alive function
     function still_alive() public {
         // Hint: Update the last check-in block
+        require(owner == msg.sender, "Owner Can only check in!");
+        last_check = block.number;
     }
 
     // TODO: Implement release funds function
     function releaseFunds() public {
         // Hint: Check if 10 blocks have passed since last check-in
         // If so, transfer the contract balance to the beneficiary
+        require(block.number > last_check  + checkintime, "Owner is still Alive or checkin period not passed");
+        uint256 balance = address(this).balance;
+        payable(benefitiary).transfer(balance);
     }
 
     // TODO: Implement receive function to allow the contract to receive Ether
@@ -27,6 +39,7 @@ contract DeadmansSwitch {
     // Helper function for testing (optional)
     function getLastCheckInBlock() public view returns (uint256) {
         // TODO: Return the last check-in block
+        return last_check;
     }
 
     // Helper function for testing (optional)