[DOCS] Outdated prefill

Documentation Type

Incorrect/outdated documentation

Documentation Location

https://anthropic.skilljar.com/claude-with-the-anthropic-api/287729

Section/Topic

Assistant prefill mentioned in video is outdated

Current Documentation

Assistant prefill should be used

What's Wrong or Missing?

Assistant prefill i outdated

Suggested Improvement

Describe another way to handle structured data

Impact

Medium - Makes feature difficult to understand

Additional Context

_No response_