To remain competitive your organisation must be efficient across the business process spectrum. To do so you need to take sound decisions based on a balance between the cost and risk. To do so you will be heavily dependent on your content management in itself needs...
MS Flow has a variety of in-build functions to modify or handle the processes and steps. In some scenarios, suppose, you have a variable that is storing some data. So, you must check that if that variable has some data or is it null or empty.