Discord.Net/src/Discord.Net.WebSocket/API/Gateway/RemoveAllReactionsEvent.cs

using Newtonsoft.Json;

namespace Discord.API.Gateway
{
    public class RemoveAllReactionsEvent
    {
        [JsonProperty("channel_id")]
        public ulong ChannelId { get; set; }
        [JsonProperty("message_id")]
        public ulong MessageId { get; set; }
    }
}