Unverified50% confidenceFactExact time
Retell's Custom LLM event flow follows: the server first sends a config event and the first sentence; after the caller finishes speaking, Retell sends a response_required with a response_id; the bridge invokes streaming completion and returns response events token by token; finally content_complete closes that turn.
1
Sources
50%
Confidence
Long-term
Relevance
10/14/2026
First Seen
Sources
Related Entities
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