Update and UpdateIf functions helpful to update the records using PowerApps. Following are the syntax for Update and UpdateIf functions. Update( DataSource, OldRecord, NewRecord [, All ] ) DataSource is - Source of the data to update the records OldRecods - old records to be updated NewRecord - New record to be updated All - All is optional, if we mention this all the records matching this will be replaced. UpdateIf( DataSource, Condition1, ChangeRecord1 [, Condition2, ChangeRecord2, ... ] ) DataSource is - Source of the data to update the records Condition1 - Conditions to get the records Change Records - Records to be changed, i.e after satisfying the condition this records will be updated. Following the two cases for Update and UpdateIf with Data Update(EmployeeData, First(Filter(EmployeeData, EmpName ="Mike" )), {EmpFirstName: "Mike"}); In the above case, Update function will work on the filter data mentioned in the records UpdateIf(EmployeeData, EmpID