net.peeweek.gameplay-ingredients/Runtime/LevelScripting/Actions/FocusUIAction.cs

using UnityEngine;
using UnityEngine.UI;

namespace GameplayIngredients.Actions
{
    public class FocusUIAction : ActionBase
    {
        public Selectable UIObjectToFocus;

        public override void Execute(GameObject instigator = null)
        {
            if (UIObjectToFocus != null)
            {
                // Workaround : Before selecting, we ensure that there's no selection in the EventSystem
                Manager.Get<UIEventManager>().eventSystem.SetSelectedGameObject(null);
                UIObjectToFocus.Select();
            }
        }
    }
}