code: def parameter_group_exists(name, tags=None, region=None, key=None, keyid=None,
                             profile=None):
      '''
      Check to see if an RDS parameter group exists.
  
      CLI example::
  
          salt myminion boto_rds.parameter_group_exists myparametergroup \
                  region=us-east-1
      '''
      conn = _get_conn(region=region, key=key, keyid=keyid, profile=profile)
  
      try:
          rds = conn.describe_db_parameter_groups(DBParameterGroupName=name)
          return {'exists': bool(rds), 'error': None}
      except ClientError as e:
          resp = {}
          if e.response['Error']['Code'] == 'DBParameterGroupNotFound':
              resp['exists'] = False
          resp['error'] = __utils__['boto3.get_error'](e)
          return resf parameter_group_exists(name, tags=None, region=None, key=None, keyid=None,
                             profile=None):
      '''
      Check to see if an RDS parameter group exists.
  
      CLI example::
  
          salt myminion boto_rds.parameter_group_exists myparametergroup \
                  region=us-east-1
      '''
      conn = _get_conn(region=region, key=key, keyid=keyid, profile=profile)
  
      try:
          rds = conn.describe_db_parameter_groups(DBParameterGroupName=name)
          return {'exists': bool(rds), 'error': None}
      except ClientError as e:
          resp = {}
          if e.response['Error']['Code'] == 'DBParameterGroupNotFound':
              resp['exists'] = False
          resp['error'] = __utils__['boto3.get_error'](e)
          return resp
docs: Check to see if an RDS parameter group exists.
  
      CLI example::
  
          salt myminion boto_rds.parameter_group_exists myparametergroup \
                  region=us-east-1