def create_message_context_properties(message_type, message_id, source, identifier, is_cloud_event_format) -> dict:
    """Create message context properties dict from input param values."""
    return {
        'type': message_type,
        'message_id': message_id,
        'source': source,
        'identifier': identifier,
        'is_cloud_event_format': is_cloud_event_format
    }