using UnityEngine; using UnityEditor; public class Example : MonoBehaviour { void OnDrawGizmos() { // Set the color of the handle to green Handles.color = Color.green; // Create the handle with a position and a size of 0.5 Vector3 position = transform.position; float handleSize = 0.5f; Handles.CircleHandleCap(0, position, Quaternion.identity, handleSize, EventType.Repaint); } }In this example, a circular handle cap is created at the current transform position of the object with a size of 0.5. The handle is painted with a green color and is only shown during the "repaint" event. The CircleHandleCap class is a part of the UnityEditor package library.