code: def monitoring_topic_name(config):
      """Return the name of the monitoring SNS topic"""
      default_topic = DEFAULT_SNS_MONITORING_TOPIC_SUFFIX.format(
          config["global"]["account"]["prefix"]
      )
      if "monitoring" not in config["global"]["infrastructure"]:
          return (
              default_topic,
              True,
          )  # Use the default name and create the sns topic
  
      sns_topic_name = config["global"]["infrastructure"][
          "monitoring"
      ].get("sns_topic_name", default_topic)
      return sns_topic_name, sns_topic_name == default_topic
  
file_path: streamalert/streamalert_cli/terraform/common.py
imports: from collections import defaultdict
label_desc: Use image node_id 2 for calling a global function with example usage: monitoring_topic_name(config) and returns: sns_topic_name,  unknown, default_topic,  True