Danro/Assets/Scripts/UI/SelectableDescriptionTarget.cs

using TMPro;
using UnityEngine;
using UnityEngine.EventSystems;

namespace RR.Common.UI
{
    public class SelectableDescriptionTarget : MonoBehaviour, ISelectHandler, IPointerEnterHandler
    {
        private TMP_Text _targetText;
        private string _description;

        public void Configure(TMP_Text targetText, string description)
        {
            _targetText = targetText;
            _description = description ?? string.Empty;
        }

        public void OnSelect(BaseEventData eventData)
        {
            ApplyDescription();
        }

        public void OnPointerEnter(PointerEventData eventData)
        {
            ApplyDescription();
        }

        private void ApplyDescription()
        {
            if (_targetText == null) return;
            _targetText.text = _description;
        }
    }
}