# How to create a block in a chatbot to send interactive messages

# How do I create a block in a chatbot to send interactive messages?

This article explains how to **set up interactive quick replies and carousels**. Follow these steps to build structured button messages. This helps customers navigate the chatbot easily.

### In this article, you will learn how to

- **Add a Send rich message block** to your chatbot.
- Set up quick replies and multi-card carousels.
- Avoid WhatsApp character and button limits.
- Fix potential issues with setting up the **Send rich message block**.

## Before you start

Before creating a block in a chatbot to send interactive messages, make sure you have an **existing chatbot** to add a Send rich message block.

## How to create a block in a chatbot to send interactive messages

1. Log in to your Flownally workspace.
2. Go to the **Chatbots** tab.

![](/help-center/04-chatbots/02-01-paused-chatbots-list.png)

3. Click an existing chatbot to edit it, or[create a new one](/chatbots/create-chatbot) to open the editor automatically.

![](/help-center/04-chatbots/07-chatbot-blocks/01-01-opened-paused-chatbot.png)

4. Click on **+** icon to add a new block.
5. Choose the **Send rich message** block.

![](/help-center/04-chatbots/07-chatbot-blocks/03-01-select-send-rich-message-block.png)

6. Choose the type of rich message you want to send:
	- Single message with quick reply buttons:
		1. Optionally add the header.
		2. **Add the message body**.
		3. Optionally add the footer.
		4. **Add at least one button**.
		5. Check what the rich message looks like in the preview.

![](/help-center/04-chatbots/07-chatbot-blocks/03-02-send-rich-message-block-single-message.png)

	- Carousel message with multiple cards to choose from:
		1. Optionally add the header for the card.
		2. **Add the message body** for the card.
		3. Optionally add the footer for the card.
		4. **Add at least one button** for the card.
		5. Optionally add another cards.
		6. 5. Check what the rich message looks like in the preview.

![](/help-center/04-chatbots/07-chatbot-blocks/03-02-send-rich-message-block-carousel.png)

> Important: WhatsApp supports:
> - Up to **3** visible buttons.
> - Up to **10** buttons hidden in a list form.
> - Up to **20** characters for a button.
> - Minimum **2** and maximum **10** carousel cards.

## What happens after creating a block in a chatbot to send interactive messages?

After creating a block in a chatbot to send interactive messages, your assistant can display buttons and carousel layouts. Customers can click these options to reply instantly without typing text.

## Troubleshooting

### Rich message is not sent

This may be due to too many buttons, too many characters in the buttons, or too few or too many cards in the carousel. To fix this, make sure your **Send rich messages** block settings match the limits in the [[#^390cae|important section]].

## Related articles

- [How to create a block in a chatbot to send messages](/chatbots/chatbot-blocks/send-message-block)
- [How to create a block in a chatbot to wait for a customer response](/chatbots/chatbot-blocks/wait-block)
- [How to create a block in a chatbot to update tags](/chatbots/chatbot-blocks/update-tags-block)
- [How to create a block in a chatbot to detect customer's intent](/chatbots/chatbot-blocks/intent-detector-block)