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id: functions-develop title: Develop Pulsar Functions sidebar_label: “How to develop”

:::note

Develop functions in Java, Python, or Go.

• For supported Java versions, refer to Pulsar runtime Java version recommendation for more details.
• For supported Python versions, refer to Python client for more details.

:::

To develop Pulsar Functions, you can leverage the following tools and features.

• APIs
• User-defined configs
• Logs
• Metrics
• Security
• Stage storage
• Admin APIs
• Schema registry
• SerDe