Llama-index support for structured output mode when using vertex ai

The community member is asking if the llama-index library supports the structured output mode when using Vertex AI. They mention that Google has a link about structured output control for Vertex AI, but they don't see the same functionality implemented in the llama-index Vertex package. Other community members respond that the structured output functionality should be available, and they provide links to relevant documentation on the llama-index website. The community members indicate that the structured output functionality can be used with the Vertex LLM.