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**To update the metadata document for an existing SAML provider**

This example updates the SAML provider in IAM whose ARN is ``arn:aws:iam::123456789012:saml-provider/SAMLADFS`` with a new SAML metadata document from the file ``SAMLMetaData.xml``::

  aws iam update-saml-provider --saml-metadata-document file://SAMLMetaData.xml --saml-provider-arn arn:aws:iam::123456789012:saml-provider/SAMLADFS 

Output::

  {
    "SAMLProviderArn": "arn:aws:iam::123456789012:saml-provider/SAMLADFS"
  }

For more information, see `Using SAML Providers`_ in the *Using IAM* guide.

.. _`Using SAML Providers`: http://docs.aws.amazon.com/IAM/latest/UserGuide/identity-providers-saml.html