diff --git a/hardhat/contracts/IMintNFT.sol b/hardhat/contracts/IMintNFT.sol
index 15972e29..d2c13735 100644
--- a/hardhat/contracts/IMintNFT.sol
+++ b/hardhat/contracts/IMintNFT.sol
@@ -44,6 +44,11 @@ interface IMintNFT {
         string memory _secretPhrase
     ) external;
 
+    function getCountOfParticipation(uint256 _groupId, address _address)
+        external
+        view
+        returns (uint256);
+        
     function isHoldingEventNFTByAddress(
         address _address,
         uint256 _eventId
diff --git a/hardhat/contracts/MintNFT.sol b/hardhat/contracts/MintNFT.sol
index bda2e225..919ab3a5 100644
--- a/hardhat/contracts/MintNFT.sol
+++ b/hardhat/contracts/MintNFT.sol
@@ -281,6 +281,14 @@ contract MintNFT is
             isHoldingEventNFT[Hashing.hashingAddressUint256(_addr, _eventId)];
     }
 
+    function getCountOfParticipation(
+        uint256 _groupId,
+        address _address
+    ) public view returns (uint256) {
+        bytes32 groupHash = Hashing.hashingAddressUint256(_address, _groupId);
+        return countOfParticipation[groupHash];
+    }
+
     function setEventInfo(
         uint256 _eventId,
         uint256 _mintLimit,
diff --git a/hardhat/test/MintNFT.ts b/hardhat/test/MintNFT.ts
index 2fa708f7..97aeba81 100644
--- a/hardhat/test/MintNFT.ts
+++ b/hardhat/test/MintNFT.ts
@@ -369,6 +369,12 @@ describe("MintNFT", function () {
           );
         await mintNftTxn2.wait();
         expect(await mintNFT.getEventIdOfTokenId(1)).equal(createdEventIds[0]);
+        expect(
+          await mintNFT.getCountOfParticipation(
+            createdGroupId1,
+            participant1.address
+          )
+        ).equal(1);
 
         const { proofCalldata: proofCalldata3 } = await generateProof();
         const mintNftTxn3 = await mintNFT
@@ -380,6 +386,12 @@ describe("MintNFT", function () {
           );
         await mintNftTxn3.wait();
         expect(await mintNFT.getEventIdOfTokenId(2)).equal(createdEventIds[0]);
+        expect(
+          await mintNFT.getCountOfParticipation(
+            createdGroupId1,
+            participant2.address
+          )
+        ).equal(1);
 
         const { proofCalldata: proofCalldata4 } = await generateProof();
         const mintNftTxn4 = await mintNFT
@@ -391,6 +403,12 @@ describe("MintNFT", function () {
           );
         await mintNftTxn4.wait();
         expect(await mintNFT.getEventIdOfTokenId(3)).equal(createdEventIds[1]);
+        expect(
+          await mintNFT.getCountOfParticipation(
+            createdGroupId1,
+            participant1.address
+          )
+        ).equal(2);
 
         const { proofCalldata: proofCalldata5 } = await generateProof();
         const mintNftTxn5 = await mintNFT
@@ -402,6 +420,12 @@ describe("MintNFT", function () {
           );
         await mintNftTxn5.wait();
         expect(await mintNFT.getEventIdOfTokenId(4)).equal(createdEventIds[2]);
+        expect(
+          await mintNFT.getCountOfParticipation(
+            createdGroupId2,
+            participant1.address
+          )
+        ).equal(1);
       });
       it("get owners of the tokens", async () => {
         const tokens = [0, 1, 2, 3, 4];