in src/WebJobs.Extensions.OpenAI/Assistants/AssistantService.cs [212:223]
void ValidateAttributes(AssistantPostAttribute attribute)
{
if (string.IsNullOrEmpty(attribute.Id))
{
throw new ArgumentException("The assistant ID must be specified.", nameof(attribute));
}
if (string.IsNullOrEmpty(attribute.UserMessage))
{
throw new ArgumentException("The assistant must have a user message", nameof(attribute));
}
}