def core_oauth_token_create(self, data, **kwargs):
        "https://developer.zendesk.com/rest_api/docs/core/grant_type_tokens#create-token-for-grant-type"
        api_path = "/oauth/tokens"
        return self.call(api_path, method="POST", data=data, **kwargs)
https://developer.zendesk.com/rest_api/docs/core/grant_type_tokens#create-token-for-grant-type