34. Declarative Lookup Rollup Summaries Using Flow and Lightning Process Builder Loading advertisement... Up next 33. The @TestSetup Annotation Cancel Turn Off Light Share Auto Next 0 Comments 34. Declarative Lookup Rollup Summaries Using Flow and Lightning Process Builder cloudbitestvadminMarch 30, 2015June 23, 2019013.7K In this video we see how we can replicate the functionality of rollup summary fields using Salesforce Lightning Process Builder and Flow. Post Views: 13,663