Understanding Node Types

CodeFreeAI has 5 types of nodes (blocks). You can assemble these blocks to create various functions.

5 Types of Nodes

1. πŸ”” Trigger

The button that starts the workflow. Every workflow starts with this Trigger node.

  • Click: Start by clicking a button
  • Webhook: Start by receiving an external signal (e.g., Telegram channel post)

2. πŸ“Š Data Source

Fetches data from outside for the AI to reference.

  • VectorDB: Fetches uploaded document files (PDF, TXT, etc.) and constructs a prompt.
  • HTTP Request: Fetches information from the internet, such as weather or stock info.

3. ✍️ Text Generation

A smart LLM (AI) model writes text or answers questions.

  • Gemini, ChatGPT, Claude, Grok: You can choose and orchestrate the AI model you want.

4. 🎨 Image Generation

Draws an image based on your text description.

  • Nano Banana: Uses the Google Gemini model to create fast images.

5. πŸ“€ Output

Sends the created results to external services.

  • Messenger: Send messages to Telegram, Slack, Discord
  • Blog Publishing: Upload content to INBLOG

Example of Node Connection Order

Usually, we connect them in this order:

[Trigger] β†’ [Data Fetching] β†’ [AI Thinking] β†’ [Sending Result]

Example: My Own News Summary Bot

  1. [Trigger] Every morning at 9:00
  2. [Data Source] Fetch Naver News
  3. [Text Generation] AI summarizes it in 3 lines
  4. [Output] Send it to my Telegram

Now, shall we learn about each node in detail?

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