@type t() :: %AgentPushKit.Model.SendEventInput{
  actionUrl: Uri | nil,
  body: String.t(),
  externalId: String.t() | nil,
  metadata: %{optional(String.t()) => any()} | nil,
  service: String.t(),
  serviceDisplayName: String.t() | nil,
  title: String.t(),
  type: String.t()
}