Helo.configure do |config|
  config.access_token = "YOUR_BEARER_TOKEN"
end

send_broadcast_request = Helo::SendBroadcastRequest.new(
  from: Helo::MailAddress1.new(email: "test-email", name: "test-name"),
  reply_to: [],
  template: {},
  tracking: {},
  attachments: [],
  tags: ["example1", "example2"],
  headers: {},
  metadata: {},
  messages: []
)
Helo::Sending.broadcast(send_broadcast_request)

{
  "status": "<string>",
  "broadcastId": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}