我无法将值传递给函数

Question

我正在使用ESRI API，并从服务器请求JSON数据，我想用此数据制作图表，因此我需要这样的数据

Request(reqUrl, reqOptions).then(function (response) {
   *i do some stuff here with data which is going great *
    needsForAdmins(response.data)
  })

function needsForAdmins(response) {
    let librariesNeed = 0

    for (let i = 0; i < response.features.length; i++) {
        librariesNeed += response.features[i].attributes.library
    }


    let data = google.visualization.arrayToDataTable([
        ['section', 'number', { role: 'style' }],
        ['library', librariesNeed , '#b7d1eb'],
    ]);

    let options = {
        bar: {
            groupWidth: "80%"
        },
        animation: {
            startup: true,
            duration: 1500,
            easing: "inAndOut"
        },
         legend: {
            position: 'none'
        }
    };

    let chart = new google.visualization.ColumnChart(
        document.getElementById('needsForAdmins'));

    chartdraw(data2, options);
}

因此，每次我从服务器获取数据并使其显示以下功能时：

  

未捕获到的TypeError：无法读取未定义的属性“功能”。

如何将响应传递给函数？