What are the uses of Value Stream Mapping and consumption mapping. How are each of the mapping procedures carried out?

What is the process for consumption mapping and could I receive guidelines on how to prepare a consumption map

1. Planning and preparation.
2. Assess the current state value stream map in terms of creating flow by eliminating waste.
3. Draw a future state value stream map.
4. Work toward the future state condition.
5. shows the current steps, delays, and information flows required to deliver the target product or service.