callback function to registration

app/newHere1/newHere/Registration.swift

@@ -7,9 +7,13 @@
 
 import SwiftUI
 
+let registerUrlString = "https://here-swe.vercel.app/auth/register"
+let apiKey = "qe5YT6jOgiA422_UcdbmVxxG1Z6G48aHV7fSV4TbAPs"
+
 struct RegistrationView: View {
     @State private var firstName: String = ""
     @State private var lastName: String = ""
+    @State private var userName: String = ""
     @State private var email: String = ""
     @State private var password: String = ""
     @State private var confirmPassword: String = ""
@@ -23,6 +27,7 @@ struct RegistrationView: View {
                 }
 
                 Section(header: Text("Credentials")) {
+                    TextField("Username", text: $userName)
                     TextField("Email", text: $email)
                         .keyboardType(.emailAddress)
                         .autocapitalization(.none)
@@ -43,6 +48,29 @@ struct RegistrationView: View {
     func registerUser() {
         // Implement registration logic
         print("User registration logic goes here.")
+        let requestBody: [String: Any] = [
+            "firstName": firstName,
+            "lastName": lastName,
+            "userName": userName,
+            "email": email,
+            "password": password
+        ]
+
+        let jsonData = try ? JSONSerialization.data(withJSONObject: requestBody) else {
+            return
+        }
+
+        let url = URL(string: registerUrlString) else {
+            print("Invalid URL")
+            return
+        }
+
+        var request = URLRequest(url: url)
+        request.httpMethod = "POST"
+        request.httpBody = jsonData
+        request.setValue("application/json", forHTTPHeaderField: "Content-Type")
+
+        URLSession.shared.dataTask(with: request) { data, response, error in }.resume
     }
 }