Version: 2019.2
public static Quaternion AngleAxis (float angle, Vector3 axis);

Description

Creates a rotation which rotates angle degrees around axis.

For more information see Rotation and Orientation in Unity. The magnitude of the axis parameter is not applied.

using UnityEngine;

public class Example : MonoBehaviour { void Start() { // Sets the transform's current rotation to a new rotation that rotates 30 degrees around the y-axis(Vector3.up) transform.rotation = Quaternion.AngleAxis(30, Vector3.up); } }