SharePoint – use Microsoft Flow to enforce uniqueness of a combination of two or more columns
In SharePoint there is an out-of-the-box way to enforce uniqueness of fields. Let’s say you have a SharePoint list with events and dates and by design you would like to allow any combination of events per day as long as they don’t have the same name and date/time at once. According to the requirements, this is not allowed: Team Lunch – 12/29/2018 12:00 PM (same name and date/time) Team Lunch – 12/29/2018 12:00 PM (same name and date/time) And these combinations are allowed: Team Lunch – 12/29/2018 12:00 PM (same name, different date/time) Team Lunch – 12/29/2018 2:00 PM (same name, different date/time) OR Team Lunch – 12/29/2018 12:00 PM (different name, same date/time) Vendor meeting – 12/29/2018 12:00 PM (different name, same date/time) If you make both Event and Date fields unique then you won’t be able to achieve that. Would be great if we could create and use a…