diff --git a/output/data.json b/output/data.json
index 735f46e..f6071a0 100644
--- a/output/data.json
+++ b/output/data.json
@@ -1 +1 @@
-{"3":["Improper Capitalized Primitive Type"],"4":["Improper Capitalized Primitive Type"],"12":["Code Smell: Consider refactoring to reduce method length"],"15":["Improper Capitalized Primitive Type","Improper Capitalized Primitive Type"],"16":["Improper Capitalized Primitive Type","Improper Capitalized Primitive Type"],"17":["Improper Capitalized Primitive Type"],"31":["Code Smell: Consider refactoring to reduce method length"],"50":["Improper Capitalized Primitive Type"]}
\ No newline at end of file
+{"3":["Improper Capitalized Primitive Type"],"4":["Improper Capitalized Primitive Type"],"12":["Code Smell: Consider refactoring to reduce method length"],"15":["Improper Capitalized Primitive Type","Improper Capitalized Primitive Type"],"16":["Improper Capitalized Primitive Type","Improper Capitalized Primitive Type"],"17":["Improper Capitalized Primitive Type"],"30":["Code smell found: Long Parameters in method public static int addNumbers (int a, int b, int c, int d){"],"38":["Code Smell: Consider refactoring to reduce method length"],"57":["Improper Capitalized Primitive Type"]}
\ No newline at end of file
diff --git a/package.json b/package.json
index 2475643..1b7853c 100644
--- a/package.json
+++ b/package.json
@@ -92,6 +92,10 @@
 			{
 				"command": "extension.longMethod",
 				"title": "findLongMethod"
+			},
+			{
+				"command": "extension.longParameters",
+				"title": "findLongParameters"
 			}
 		],
 		"menus": {
diff --git a/src/extension.ts b/src/extension.ts
index 7df4241..7032e36 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -12,6 +12,7 @@ import { findDuplicateCode } from './findDuplicateCode';
 import { findLowercaseEnums } from './findLowercaseEnums';
 import { findConstantCap} from './findConstantCap';
 import { longMethod } from './longMethod';
+import { longParameters } from './longParameters';
 
 const myMap: Map<number, string[]> = new Map();
 const filePath = 'C:\\Users\\Will\\Desktop\\cw\\gradeFast-1.0\\output\\data.json';
@@ -45,6 +46,14 @@ export function activate(context: vscode.ExtensionContext) {
 
     const disposable6 = vscode.commands.registerCommand('extension.findConstantCap', findConstantCap);
 
+    const disposable7 = vscode.commands.registerCommand('extension.longMethod', () => {
+        longMethod(myMap);
+    } );
+
+    const disposable8 = vscode.commands.registerCommand('extension.longParameters', () => {
+        longParameters(myMap);
+    } );
+
     const commentController = vscode.comments.createCommentController('comment-sample', 'Comment API Sample');
     context.subscriptions.push(commentController);
 
@@ -55,9 +64,5 @@ export function activate(context: vscode.ExtensionContext) {
         }
     };
 
-    const disposable7 = vscode.commands.registerCommand('extension.longMethod', () => {
-        longMethod(myMap);
-    } );
-
     NoteCommentController.registerCommands(context);
 }
diff --git a/src/longParameters.ts b/src/longParameters.ts
new file mode 100644
index 0000000..14ff947
--- /dev/null
+++ b/src/longParameters.ts
@@ -0,0 +1,29 @@
+import * as vscode from 'vscode';
+
+export function longParameters(myMap: Map<number, string[]>): Map<number, string[]> {
+    let editor = vscode.window.activeTextEditor;
+    if (!editor) {
+        vscode.window.showErrorMessage('No active text editor.');
+        return myMap; // Early return if no editor
+    }
+
+    let text = editor.document.getText();
+    // Updated regex to match Java method declarations with 3 or more parameters and exclude main method and methods with 1 or 2 parameters
+    let methodRegex = /(\b(?:public|private|protected|static|\s)+[\w<>]+\s+(\w+)\s*\(([^)]+)\)\s*{)/g;
+    let match;
+    while ((match = methodRegex.exec(text))) {
+        let methodName = match[1];
+        let parameters = match[3].split(',').map(param => param.trim());
+        if (methodName !== 'main' && parameters.length >= 3) {
+            let lineIndex = editor.document.positionAt(match.index).line;
+            let errorMessage = `Code smell found: Long Parameters in method ${methodName}`;
+            if (!myMap.has(lineIndex)) {
+                myMap.set(lineIndex, [errorMessage]);
+            } else {
+                myMap.get(lineIndex)?.push(errorMessage);
+            }
+        }
+    }
+
+    return myMap;
+}
\ No newline at end of file