On 18 June Tim Hewson gave a webinar related to point rainfall. This included many examples of how the (experimental) point rainfall products, which went live in ecCharts in April 2019, can be used by forecasters to improve their forecasts. A recording is now available online:
http://tiny.cc/ecPoint-seminar
The talk abstract can be accessed here: https://www.ecmwf.int/en/learning/seminars
More guidance for forecasters is available in the Forecast User Guide: Point Rainfall