class MailchimpMarketing::CampaignsApi

def cancel_send(campaign_id, opts = {})
  fail ArgumentError, "Missing required param: 'campaign_id'" if campaign_id.nil?
  query_params = {}
  post_body = nil
  local_var_path = '/campaigns/{campaign_id}/actions/cancel-send'.sub('{' + 'campaign_id' + '}', campaign_id.to_s)
  data = @api_client.call_api(:POST, local_var_path,
    :query_params => query_params,
    :body => post_body)
  return data
end