docs: def add_management_certificate(kwargs=None, conn=None, call=None):
      '''
      .. versionadded:: 2015.8.0
  
      Add a new management certificate
  
      CLI Example:
  
      .. code-block:: bash
  
          salt-cloud -f add_management_certificate my-azure public_key='...PUBKEY...' \\
              thumbprint=0123456789ABCDEF data='...CERT_DATA...'
      '''
      if call != 'function':
          raise SaltCloudSystemExit(
              'The add_management_certificate function must be called with -f or --function.'
          )
  
      if not conn:
          conn = get_conn()
  
      if kwargs is None:
          kwargs = {}
  
      if 'public_key' not in kwargs:
          raise SaltCloudSystemExit('A public_key must be specified as "public_key"')
  
      if 'thumbprint' not in kwargs:
          raise SaltCloudSystemExit('A thumbprint must be specified as "thumbprint"')
  
      if 'data' not in kwargs:
          raise SaltCloudSystemExit('Certificate data must be specified as "data"')
  
      try:
          conn.add_management_certificate(
              kwargs['name'],
              kwargs['thumbprint'],
              kwargs['data'],
          )
          return {'Success': 'The management certificate was successfully added'}
      except AzureConflictHttpError:
          raise SaltCloudSystemExit('There was a conflict. '
                                    'This usually means that the management certificate already exists.')