var headers = {
        "Content-Type": "application/xml;charset=utf-8",
      };
      var response = <http://https.post|https.post>({
        url: "<https://tableau.server.com/api/3.4/auth/signin>",
        body:
          "<tsRequest>" +
          '<credentials name="name" password="password">' +
          '<site contentUrl="company"/>' +
          "</credentials>" +
          "</tsRequest>",
        headers: headers,
      });

      var resbody = response.body;

      log.audit({ title: "auth response", details: resbody });

credentials