@property<EOL><INDENT>def credentials(self):<DEDENT>
if self._credentials is None:<EOL><INDENT>self._credentials = CredentialList(<EOL>self._version,<EOL>account_sid=self._solution['<STR_LIT>'],<EOL>credential_list_sid=self._solution['<STR_LIT>'],<EOL>)<EOL><DEDENT>return self._credentials<EOL>
Access the credentials

:returns: twilio.rest.api.v2010.account.sip.credential_list.credential.CredentialList
:rtype: twilio.rest.api.v2010.account.sip.credential_list.credential.CredentialList