> ## 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.

# Data

Data Nodes are designed to manage, manipulate, process, or store data within a system.

<CardGroup cols={3}>
  <Card title="Datepicker" href="/ai/agents/develop/node-reference/data/datepicker">
    The Datepicker Node renders a date selection widget in certain channels.
  </Card>

  <Card title="Send SMTP Email" href="/ai/agents/develop/node-reference/data/send-smtp-email">
    The Send SMTP Email Node sends an email directly from the Flow.
  </Card>

  <Card title="Email Notification" href="/ai/agents/develop/node-reference/data/email-notification">
    The Email Notification Node sends quick and easy emails during sessions or for in-house communications.
  </Card>
</CardGroup>