Recommendation ITU-T F.746.7 describes metadata for the intelligent question answering service (IQAS) framework specified in Recommendation ITU‑T F.746.3. This Recommendation specifies metadata and service flow for different functions to support the IQAS, which provides advanced functions to generate answers for user questions in natural language. The scope of this Recommendation covers metadata for a natural language processing function, question analysis function, candidate answer generation function, answer inference/generation function, as well as an input and output function. This Recommendation also describes general information flows to describe how metadata are used in the IQAS.