How to make HTTP Request within onCreate in Kotlin

Question

I am new to kotlin, I was wondering how to make a get HTTP request onCreate function

package com.example.kotlin

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle

class MainActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        //http request here
    }
}