AbilityEvents.cs

using System;
using GameplayAbilitySystem.Interfaces;
using UnityEngine.Events;
using UnityEngine;
using System.Collections.Generic;

namespace GameplayAbilitySystem.Events {
    [Serializable]
    public class GenericAbilityEvent : UnityEvent<IGameplayAbility> {

    }

    [Serializable]
    public class GameplayEvent : UnityEvent<GameplayTag, GameplayEventData> {

    }

    [Serializable]
    public struct GameplayEventData {
        public GameplayTag EventTag;
        public AbilitySystemComponent Instigator;
        public AbilitySystemComponent Target;
        public object OptionalObject;
        // Gameplay Effect handle?
        public List<GameplayTag> InstigatorTags;
        public List<GameplayTag> TargetTags;
        public float EventMagnitude;
        // Target Data?


    }

}