The whole hunk
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391391 </MultiFileExample>
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393393 <ForLanguage tab="CLI">
394 `ant apply` prints the environment's ID and records it in `claude-lock.json`. You'll reference it in every session you create.
395
396 <Tip>
397 [`ant apply`](https://platform.claude.com/docs/en/cli-sdks-libraries/cli/apply) accepts more than one file, so you can create the agent and the environment with one command instead: `ant apply coding-assistant.md environment.yaml`.
398 </Tip>
394 [`ant apply`](https://platform.claude.com/docs/en/cli-sdks-libraries/cli/apply) records the environment's ID in `claude-lock.json` too. To create the agent and the environment with one command, pass both files: `ant apply coding-assistant.md environment.yaml`.
399395 </ForLanguage>
400396
401397 ```python Python
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480476 ```
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482478 <ForLanguage not="CLI">
483 Save the returned `environment.id`. You'll reference it in every session you create.
479 Save the returned `environment.id` too.
484480 </ForLanguage>
485481 </CodeGroup>
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