'Lists all of the key aliases in the account.
:type limit: integer
:param limit: Specify this parameter when paginating results to
indicate the maximum number of aliases you want in each response.
If there are additional aliases beyond the maximum you specify, the
`Truncated` response element will be set to `true.`
:type marker: string
:param marker: Use this parameter when paginating results, and only in
a subsequent request after you\'ve received a response where the
results are truncated. Set it to the value of the `NextMarker`
element in the response you just received.'

def list_aliases(self, limit=None, marker=None):

    params = {}
    if (limit is not None):
        params['Limit'] = limit
    if (marker is not None):
        params['Marker'] = marker
    return self.make_request(action='ListAliases', body=json.dumps(params))
