code: def get_event(app_type):
      """Helper function to get a dict that is reflective of a valid input event for an App"""
      return {
          "app_type": app_type,
          "schedule_expression": "rate(10 minutes)",
          "destination_function_name": "unit_test_prefix_unit_test_cluster_streamalert_classifier",
      }
  
file_path: streamalert/tests/unit/streamalert/apps/test_helpers.py
imports: import json
  import boto3
  from botocore.exceptions import ClientError, ParamValidationError
label_desc: Use image node_id 4 for calling a global function with example usage: get_event(app_type) and returns: dict