> ## Documentation Index
> Fetch the complete documentation index at: https://docs.jelou.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Nodes

> Building blocks for creating conversational flows in Brain Studio

Nodes are the building blocks of your flows in Brain Studio. Each node performs a specific action — sending a message, asking a question, calling an API, making a decision — and they connect to each other to create complete conversations.

## Node types

### Artificial Intelligence

<CardGroup cols={2}>
  <Card title="AI Agent" icon="robot" href="/guides/nodos/ai-agent" horizontal>
    Autonomous conversations powered by AI
  </Card>

  <Card title="AI Task" icon="wand-magic-sparkles" href="/guides/nodos/ai-task" horizontal>
    Targeted AI tasks with structured response
  </Card>
</CardGroup>

### Messages

<CardGroup cols={2}>
  <Card title="Text" icon="message" href="/guides/nodos/texto" horizontal>
    Simple text messages
  </Card>

  <Card title="Question" icon="circle-question" href="/guides/nodos/pregunta" horizontal>
    Questions that wait for a user response
  </Card>

  <Card title="Image" icon="image" href="/guides/nodos/imagen" horizontal>
    Sending images
  </Card>

  <Card title="Video" icon="video" href="/guides/nodos/video" horizontal>
    Sending videos
  </Card>

  <Card title="Audio" icon="volume-high" href="/guides/nodos/audio" horizontal>
    Sending audio files
  </Card>

  <Card title="Document" icon="file" href="/guides/nodos/documento" horizontal>
    Sending documents and files
  </Card>

  <Card title="Sticker" icon="face-smile" href="/guides/nodos/sticker" horizontal>
    Sending stickers
  </Card>

  <Card title="Contact" icon="address-card" href="/guides/nodos/contacto" horizontal>
    Contact cards
  </Card>

  <Card title="Location" icon="location-dot" href="/guides/nodos/ubicacion" horizontal>
    Sending map locations
  </Card>

  <Card title="Location Request" icon="location-crosshairs" href="/guides/nodos/solicitud-ubicacion" horizontal>
    Request the user's location
  </Card>
</CardGroup>

### Interactive

<CardGroup cols={2}>
  <Card title="Buttons" icon="hand-pointer" href="/guides/nodos/botones" horizontal>
    Interactive selection buttons
  </Card>

  <Card title="List" icon="list" href="/guides/nodos/lista" horizontal>
    Dropdown lists of options
  </Card>

  <Card title="Call to Action" icon="arrow-up-right-from-square" href="/guides/nodos/call-to-action" horizontal>
    Buttons that open external URLs
  </Card>

  <Card title="WhatsApp Flows" icon="wpforms" href="/guides/nodos/whatsapp-flows" horizontal>
    Native WhatsApp forms
  </Card>

  <Card title="HSM Template" icon="envelope" href="/guides/nodos/hsm" horizontal>
    Pre-approved WhatsApp templates
  </Card>
</CardGroup>

### Logic

<CardGroup cols={2}>
  <Card title="Conditional" icon="code-branch" href="/guides/nodos/condicional" horizontal>
    Branches based on conditions
  </Card>

  <Card title="Variable" icon="tag" href="/guides/nodos/variable" horizontal>
    Save values in memory
  </Card>

  <Card title="Random" icon="dice" href="/guides/nodos/aleatorio" horizontal>
    Random distribution by percentages
  </Card>

  <Card title="Pause" icon="pause" href="/guides/nodos/pausa" horizontal>
    Temporarily stop the flow
  </Card>
</CardGroup>

### Integrations

<CardGroup cols={2}>
  <Card title="Webhook" icon="webhook" href="/guides/nodos/webhook" horizontal>
    Receive external HTTP requests to start or resume executions
  </Card>

  <Card title="API" icon="plug" href="/guides/nodos/api" horizontal>
    HTTP calls to external services
  </Card>

  <Card title="Code" icon="code" href="/guides/nodos/codigo" horizontal>
    Custom JavaScript execution
  </Card>

  <Card title="Datum" icon="database" href="/guides/nodos/datum" horizontal>
    Database querying and management
  </Card>

  <Card title="Transfer to agent" icon="headset" href="/guides/nodos/pma" horizontal>
    Transfer to human operators
  </Card>
</CardGroup>