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BAML documentation

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Tutorials
- Structured extraction
Examples
- Classify support tickets
- Images and vision models

Home BAML CLI Cloud Tutorials Examples

Sections

Overview
Get started
Book
Language reference
- Functions
Standard packages
Language bridges
- TypeScript

Products

BAML CLI
Cloud

Resources

Tutorials
- Structured extraction
Examples
- Classify support tickets
- Images and vision models

BAMLStandard packagesv0.18.1-nightly.20260906.aopenaiinternalChatTextPart$stream

openai.internal.ChatTextPart$stream

class in the openai package.

Reference version

Signature

class openai.internal.ChatTextPart$stream

Source:<builtin>/openai/ns_internal/chat.bamlbytes 0–0

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string | null

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Start with the language guide and a checked BAML function.

Continue into generated package and CLI references for the exact selected toolchain.

Developer documentation for BAML and Boundary products. Source available on GitHub. View release notes