| --- | |
| id: functions-debug | |
| title: Debug Pulsar Functions | |
| sidebar_label: "How to debug" | |
| --- | |
| You can use the following methods to debug Pulsar Functions: | |
| * [Debug with captured stderr](functions-debug-stderr.md) | |
| * [Debug with unit test](functions-debug-unit-test.md) | |
| * [Debug with localrun mode](functions-debug-localrun.md) | |
| * [Debug with log topic](functions-debug-log-topic.md) | |
| * [Debug with Functions CLI](functions-debug-cli.md) |