i wonder how else i can make it call the tool...
llama_index.core.workflow.errors.WorkflowRuntimeError: Error in step 'struct': Expected at least one tool call, but got 0 tool calls.
class UserInfo(BaseModel):
"""
Output containing the response. Structured information about the person.
"""
name: str = Field(title="Full Name", description="Full name of the person")
sllm = llm_gemini.as_structured_llm(UserInfo)
query_engine = index.as_query_engine(doc_ids=doc_ids, use_async=True, llm=sllm)
answer = await query_engine.aquery(
"""
Based on the context, generate a structured summary of the person.
"""
)