def get_saml_provider(SAMLProviderArn=None):
    """
    Returns the SAML provider metadocument that was uploaded when the IAM SAML provider resource object was created or updated.
    See also: AWS API Documentation
    
    
    :example: response = client.get_saml_provider(
        SAMLProviderArn='string'
    )
    
    
    :type SAMLProviderArn: string
    :param SAMLProviderArn: [REQUIRED]
            The Amazon Resource Name (ARN) of the SAML provider resource object in IAM to get information about.
            For more information about ARNs, see Amazon Resource Names (ARNs) and AWS Service Namespaces in the AWS General Reference .
            

    :rtype: dict
    :return: {
        'SAMLMetadataDocument': 'string',
        'CreateDate': datetime(2015, 1, 1),
        'ValidUntil': datetime(2015, 1, 1)
    }
    
    
    """
    pass
