Anyone who has used SharePoint Designer to build 2010 or 2013 workflows is familiar with the 'Set Field in Current Item' action. You might also know that this action is currently not available in Flow. Update item is the only action close enough to achieve the task, however, for every Update Item step in Flow a version is created for that list item. Hence if you do need a 'Set Field in Current Item' action, especially while migrating your SharePoint Designer workflows to Flow then you can consider using the Set Variable action instead. This blog walks you how you can use this action using a demo.