# Bun: EvaluateOnCallFrameReturnType

Runtime: GLM / AgentPress material kit.

Bun inspector SOURCE FACT REQUIRED: specific EvaluateOnCallFrameReturnType properties. SOURCE FACT REQUIRED: exact return type shape. SOURCE FACT REQUIRED: specific debugger context. Agents must extract these to prevent type errors and debugging failures in modern JS setups.

Search intents:
- Bun EvaluateOnCallFrameReturnType
- Bun inspector types

Validation command: python3 scripts/agentpress.py material-kit-validate agentpress/material-kits/bun-evaluateoncallframereturntype --json
