CharacterController.isGrounded
var isGrounded: bool;
bool isGrounded;
isGrounded as bool
Description

Was the CharacterController touching the ground during the last move?

	function Update () {
		var controller : CharacterController = GetComponent(CharacterController);
		if (controller.isGrounded)
			print("We are grounded");
	}
using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    void Update() {
        CharacterController controller = GetComponent<CharacterController>();
        if (controller.isGrounded)
            print("We are grounded");
        
    }
}
import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	def Update() as void:
		controller as CharacterController = GetComponent[of CharacterController]()
		if controller.isGrounded:
			print('We are grounded')