问如何在Dialogflow上实现权限API

EN

intentMap.set("LocationIntent - yes", senderLocationYes);
intentMap.set("LocationIntent - yes", senderLocationAccess);


function senderLocationYes(agent) {
    const conv = agent.conv();
    conv.ask(
        new Permission({
            context: "To use your location for tracking purpose",
            permissions: "DEVICE_PRECISE_LOCATION"
        })
    );
    agent.add(conv);
}

function senderLocationAccess(agent) {
    const conv = agent.conv();
    const location = conv.device.location;
    console.log(location);// here is the location
    conv.ask('Great ! I will need few more details. Plese help me with that.');
    conv.ask('What is your good name ?');
    agent.add(conv);
}