def add_tags(alert_ids, tags)
      query = generate_query_params(alertIds: alert_ids, tags: tags)
      http_put('/tags' + query, {})
    end
def add_tags(alert_ids, tags)
      query = generate_query_params(alertIds: alert_ids, tags: tags)
      http_put('/tags' + query, {})
    end
Add tags to existing Alerts.
 @param [Array<numeric>] alert_ids List of alert IDs
 @param [Array<String>] tags List of tags. Each tag of format 'name|value'.