How to call a intent from Node.js for DialogFlow - node.js

I am making a app for the Google Assistant and when it runs, i only want 6 people to be able to play. Is there a way to say back to the players "Only say 6 names" and then get input again? I want to use a webhook to remember the names and if it gets more than 6 names, it will call a intent that says only 6 people can play.
Thanks!

Assuming you have an intent that captures a list of names, you should just return a response from your webhook that tells the user that they've input too many names and that they should try again.
Since your original intent already captures a list of names, it will be triggered a second time when they input their amended list.

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How to programattically access parameter prompts in DialogFlow

I have a basic lead gen bot under which I have 2 services (in 2 different intents) for which I am collecting leads. Under both of them I am collecting the name, email, and phone number and I also have checked the required tick boxes.
It's working as expected when I am just availing/submitting lead for a single service. However, if in the same interaction I also want to go for the second service the bot is again asking for the name, email & phone number which it already has from my interaction for the first service. How do I make sure that it doesn't ask for the details if it already has them?
I also do not mind handling it programmatically using fulfillment but I could not find any documentation.
Any help is highly appreciated
you can use the user storage (https://developers.google.com/actions/assistant/save-data)
or alternatively you can try to link the parameters of the two intents to the same context parameters. Set your parameter value like this #context_name.param_name
I was able to do this by setting an output context in the first intent & using the input context in the second intent.
The trick was to assign a default value to the parameters in the second intent as "context_name.param"

How to redirect to another intent within a Google Action (Google Assistant Action)

Currently I'm creating an Action for the Google Assistant.
In this Action, I ask the user to provide its phone number. After this, another intent will repeat the phone number given, and asks if it's correct. If the user responds with 'no', I would like to redirect the user back to the first intent, so it can provide its phone number again. It should be a kind of loop.
(I'm working in a local environment, so only the intents are created within Dialogflow.)
I tried to apply contexts for this case, but in someway it won't succeed.
Thank you guys!
Remember that Intents represent what the user has said, and not what you are doing with that data. So saying that "another intent will repeat the phone number" suggests that you're making some things more complicated.
A better design is likely to have the Intent that collected the data to several things:
Repeat the phone number back
Prompt if this is correct
Set a content indicating you have prompted for confirmation
You can then have another Intent handle the "yes" or "no" statements responding to this prompt. The user may say other things, remember, including giving a correction to the phone number.
See also these articles (based on a StackOverflow question and answer) on designing a conversation and the Dialogflow Intents based on that conversation:
Thinking for Voice: Design conversations, not logic
Conversation to Code (Part 1)

Dialogflow inline editor ask for additional info

I am developing a google assistant app on Dialogflow.
And I have a intent that receives two entities: #name and #age
Using the fulfillment throught the inline editor I verify if the #age is below 18.
In that case I need to ask for additional info, I need to ask the name of the person responsible for the child.
I looked around the internet, including the fulfillment samples at https://dialogflow.com/docs/samples
I believe it would look something like this:
let conv = agent.conv();
conv.ask('As your age is under 18 I need the name of the person responsible for you:');
//Some code to retrieve user input into a variable
agent.add(conv);
But I was unable to find how to do it.
Can someone help me to achieve this?
Thanks in advance.
While you are handling an Intent, there is no way to "wait for" the user to respond to your question. Instead, you need to handle user input this way:
You send a response back from your Intent.
The user replies with something they say.
You handle this new user statement through an Intent.
Intents always represent the user taking some action - usually saying something.
So one approach would be to create a new Intent that accepts the user's response. But somehow you need to distinguish this response from the initial Intent that captured the person's name.
One way to do this would be, in the case you ask the question about who the responsible adult is, is to also set a Context. Then you can have a different Intent be triggered only when that Context is set and handle this new Intent to get the name of the adult.

Parameter value filling with quick responses in messenger

I have created a bot using Dialogflow (api.ai) and integrated it with Facebook messenger. I want to get the parameter values from user: like city, date (today, tomorrow) by using the quick reply feature of messenger, where user is presented with select-box like options, and can tap on one of the options. The required parameter receives the user-tapped value, saving the user from typing it manually.
I cannot find anywhere in documentation any way to fill up parameter values (slots) using quick replies. There is an option to give quick replies in response section, but the response section is called on fulfilment, and if I take user input in response, then I have to create another follow up intent to process the user-response further, because the current intent gets fulfilled after response.
If I add quick replies in the response section, then I have to create multiple levels of follow-up intents. Ex: I take city input in one intent, and give two options to user (like New York, Delhi). Then I have to create two follow up intents, each for handling one reply (New York and Delhi), and then for each follow up intent, I will have to create more follow up intents to get more parameter inputs. Below is the flow diagram of this case. --->
This can get pretty complex when more levels are added! Amazon Lex has this feature of filling slots using quick replies. Can't I just fill up parameter values directly using the quick replies like Lex?
You don't have to go this far. There is a simple way of using entities & prompts in dialogflow.com. The workflow can be: Weather(intent)->quick reply(New york/Delhi)->City(intent) use entities here->quick reply(Today/Tomorrow)->Use different intents here for today & tomorrow as you will have different responses. You don't need to create different intents unless you have different responses. User says can have different parameters for which you can define different prompts as well. This will again reduce your complexity of creating follow-up intents. Let me know if you need more explanation on this.

Simple chat bot with a single context matching api.ai?

I want to do some thing like this with api.ai. I am doing it as a telegram bot.
1st question: Tell me a joke?
Bot: Tells a joke ( picks it from text response that I specified )
2nd input from user: Some more.
Bot: It should tell another joke from the same list of responses.
One thing I could do is include MORE as a user input is joke intent and it would pick a response.
But I can not do this, because then even without asking 1st question if I give "more" as input it would pick a response from the list. Basically that wouldn't pick response based on context.
Any help onn the structure I should be using on api.ai to achieve something like this.
So the first intent where the user asks "tell me a joke?" sets an outgoing context- 'jokes'.
Follow-up intents for telling more jokes have 'jokes' for the incoming context, and, if you want to chain repeatable requests, set the outgoing context as 'jokes' as well.
If the user input like "tell me more" outside the 'jokes' context is still triggering the followup intent, either train your bot to recognize the difference, or create an explicit "tell me more" example in a fallback intent outside the jokes context.

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