#NEWLINE# def update_signing_cert( self , cert_id , status , user_name = None ) : #NEWLINE# #INDENT# '\n        Change the status of the specified signing certificate from\n        Active to Inactive or vice versa.\n\n        If the user_name is not specified, it is determined implicitly based\n        on the AWS Access Key ID used to sign the request.\n\n        :type cert_id: string\n        :param cert_id: The ID of the signing certificate\n\n        :type status: string\n        :param status: Either Active or Inactive.\n\n        :type user_name: string\n        :param user_name: The username of the user\n        ' #NEWLINE# params = { #NEWLINE# #INDENT# 'CertificateId' : params , #NEWLINE# 'Status' : status , #NEWLINE# #UNINDENT# } #NEWLINE# if user_name : #NEWLINE# #INDENT# params [ 'UserName' ] = user_name #NEWLINE# #UNINDENT# return self . get_response ( 'UpdateSigningCertificate' , params )