Block: Chat Block — Zelaxy Docs

The Chat block starts a workflow from chat messages. It receives the user's input, a conversation ID, and any file attachments through the chat interface, making it the entry point for conversational and chatbot-style workflows.

Overview

Property	Value
Type	`chat_trigger`
Category	Triggers
Color	`#6F3DFA`

When to Use

Build a chatbot or conversational assistant that responds to user messages
Start a workflow whenever a user sends a message through the chat interface
Capture file attachments sent alongside a chat message for downstream processing
Maintain multi-turn conversations by passing through the conversation ID
Feed user input directly into an Agent block for AI reasoning or generation

Configuration

The Chat block is a trigger and has no configurable sub-blocks. It is enabled as a chat trigger and exposes the incoming message, conversation context, and attachments as outputs for downstream blocks to consume.

Inputs & Outputs

Inputs: none
Outputs:
- input (string) — User chat message
- conversationId (string) — Conversation ID
- files (json) — Attached files

Tools

This block has no tool integrations. It is a trigger block that activates a workflow from the chat interface and does not call any external tools.

YAML Example

chat_trigger_1:
  type: chat_trigger
  name: "Chat"
  connections:
    outgoing:
      - target: agent_1

Chat Block