using System.Collections.Generic; using Newtonsoft.Json; namespace SendGrid.Helpers.Mail { public class Personalization { [JsonProperty(PropertyName = "to")] public List Tos { get; set; } [JsonProperty(PropertyName = "cc")] public List Ccs { get; set; } [JsonProperty(PropertyName = "bcc")] public List Bccs { get; set; } [JsonProperty(PropertyName = "subject")] public string Subject { get; set; } [JsonProperty(PropertyName = "headers")] public Dictionary Headers { get; set; } [JsonProperty(PropertyName = "substitutions")] public Dictionary Substitutions { get; set; } [JsonProperty(PropertyName = "custom_args")] public Dictionary CustomArgs { get; set; } [JsonProperty(PropertyName = "send_at")] public long? SendAt { get; set; } } }