1. Finds all user records whose City is "San Francisco" andpopulates employeesInSF with those records’ Email.Because employeesInSF is an sObject collection variable, use a Fast Lookup element to populate the variable.
2. Loops through the sObject collection variable so that it can look at each individualuser record. The loop copies the values of each item in employeesInSF to loopVariable.
3. For each iteration, assigns the user's Email to a collectionvariable that has a Data Type of Text.
4. When the loop ends, the flow sends an email to the users whose emails are now storedin emails_employeesInSF.