1.
Google Home / Mobile device
The Google Assistant —
Actions on Google —

2.
“Hey Google,
talk to...”

3.
Assistant app
{ conversation
api request }
{ conversation
api response }
user input
app
response

4.
“
Intent Matching —
Entity Extraction —
@

5.
function simpleResponse (app) {
app.ask({
speech: 'Howdy! I can tell you fun facts about ' +
'almost any number, like 42. What do you have in mind?',
displayText: 'Howdy! I can tell you fun facts about ' +
'almost any number. What do you have in mind?'
});
}

6.
function suggestionChips (app) {
app.ask(app.buildRichResponse()
.addSimpleResponse({
speech: 'Howdy! I can tell you fun facts about ' +
'almost any number like 0, 42, or 100. What number do you have ' +
'in mind?',
displayText: 'Howdy! I can tell you fun facts about almost any ' +
'number. What number do you have in mind?'
})
.addSuggestions(['0', '42', '100', 'Never mind'])
);
}

7.
function basicCard (app) {
app.ask(app.buildRichResponse()
.addSimpleResponse('Math and prime numbers it is!')
.addBasicCard(
app.buildBasicCard(`42 is an even composite number. It ` +
`is composed of three distinct prime numbers multiplied together. It ` +
`has a total of eight divisors. 42 is an abundant number, because the ` +
`sum of its proper divisors 54 is greater than itself. To count from ` +
`1 to 42 would take you about twenty-one…`)
.setTitle('Math & prime numbers')
.addButton('Read more')
.setImage('https://example.google.com/42.png', 'Image alternate text')
)
);
}

8.
let permission = app.SupportedPermissions.DEVICE_COARSE_LOCATION;
app.askForPermission('To find bookstores near you', permission);
I'll just need to get your zip code from Google. Is that okay?

9.
●
●
●
●

10.
Test your agent by entering text or voice
requests. Voice testing is available in
Chrome and Firefox browsers.

11.
const App = require('actions-on-google').DialogflowApp;
exports.yourApp = (request, response) => {
const app = new App({request, response});
console.log('Request headers: ' + JSON.stringify(request.headers));
console.log('Request body: ' + JSON.stringify(request.body));
// Fulfill action business logic
function responseHandler (app) {
// Complete your fulfillment logic and send a response
app.ask('Hello, World!');
}
const actionMap = new Map();
actionMap.set('<Dialogflow_action_name>', responseHandler);
app.handleRequest(actionMap);
};

12.
const app = new DialogflowApp({request: request, response: response});
const WELCOME_INTENT = 'input.welcome'; // the action name from the Dialogflow intent
const NUMBER_INTENT = 'input.number'; // the action name from the Dialogflow intent
const NUMBER_ARGUMENT = 'input.mynum'; // the action name from the Dialogflow intent
function welcomeIntent (app) {
app.ask('Welcome to action snippets! Say a number.');
}
function numberIntent (app) {
let number = app.getArgument(NUMBER_ARGUMENT);
app.tell('You said ' + number);
}
let actionMap = new Map();
actionMap.set(WELCOME_INTENT, welcomeIntent);
actionMap.set(NUMBER_INTENT, numberIntent);
app.handleRequest(actionMap);

13.
if (app.hasSurfaceCapability(app.SurfaceCapabilities.SCREEN_OUTPUT)) {
app.ask(app.buildRichResponse()
.addSimpleResponse(`Here's a fact for you. ${fact} Which one ` +
`do you want to hear about next, Google's history or headquarters?`)
.addBasicCard(
app.buildBasicCard('Google is an amazing company.')
.setImage(GOOGLE_LOGO_SRC))
.addSuggestions(['History', 'Headquarters']));
} else {
app.ask(`Here's a fact for you. ${fact} Which one ` +
`do you want to hear about next, Google's history or headquarters?`);
}

14.
g.co/actionswebsim

15.
Ok Google, ask Personal Chef for a hot soup recipe
Trigger Phrase App Name
Developer Specified
Action
Preposition
Action Phrase
Developer Specified
Ok Google, let’s talk to Personal Chef
Trigger Phrase App Name
Developer Specified