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

# Basic Nodes

Basic Nodes are the fundamental Nodes you will need to create a Flow.

<CardGroup cols={3}>
  <Card title="Say" href="/ai/agents/develop/node-reference/basic/say">
    Use the Say Node to send a message to the user on their current channel.
  </Card>

  <Card title="Question" href="/ai/agents/develop/node-reference/basic/question">
    Use the Question Node to ask the user a question.
  </Card>

  <Card title="Optional Question" href="/ai/agents/develop/node-reference/basic/optional-question">
    The Optional Question Node works similar to the Question Node, except that the conversation can continue even if the question is not answered.
  </Card>

  <Card title="Debug Message" href="/ai/agents/develop/node-reference/basic/debug-message">
    The Debug Message Node sends a debug message to the Interaction Panel.
  </Card>

  <Card title="Code Node" href="/ai/agents/develop/node-reference/basic/code">
    The Code Node enables the execution of JavaScript, TypeScript, and CognigyScript in the Flow.
  </Card>
</CardGroup>