@grant_type.setter<EOL><INDENT>def grant_type(self, grant_type):<DEDENT>
self._grant_type = grant_type<EOL>
Sets the grant_type of this ObtainTokenRequest.
Specifies the method to request an OAuth access token. Valid values are: `authorization_code`, `refresh_token`, and `migration_token`

:param grant_type: The grant_type of this ObtainTokenRequest.
:type: str