def update_organizational_unit(OrganizationalUnitId=None, Name=None):
    """
    Renames the specified organizational unit (OU). The ID and ARN do not change. The child OUs and accounts remain in place, and any attached policies of the OU remain attached.
    This operation can be called only from the organization's master account.
    See also: AWS API Documentation
    
    
    :example: response = client.update_organizational_unit(
        OrganizationalUnitId='string',
        Name='string'
    )
    
    
    :type OrganizationalUnitId: string
    :param OrganizationalUnitId: [REQUIRED]
            The unique identifier (ID) of the OU that you want to rename. You can get the ID from the ListOrganizationalUnitsForParent operation.
            The regex pattern for an organizational unit ID string requires 'ou-' followed by from 4 to 32 lower-case letters or digits (the ID of the root that contains the OU) followed by a second '-' dash and from 8 to 32 additional lower-case letters or digits.
            

    :type Name: string
    :param Name: The new name that you want to assign to the OU.
            The regex pattern that is used to validate this parameter is a string of any of the characters in the ASCII character range.
            

    :rtype: dict
    :return: {
        'OrganizationalUnit': {
            'Id': 'string',
            'Arn': 'string',
            'Name': 'string'
        }
    }
    
    
    """
    pass
