Adding a number of days to a date column using a user selected number

[WobblyDog]

I am looking to calculate an invoice due date by adding a number of days to the invoice issued date. The invoiced date is a date column and I want to be able to allow the user to select a number of days to add based on the customer payment terms.  I would like the user to be able to pick from a list of numbers eg 1 to 90 and have this added to the invoiced date in a new column called due date. 

[Anonymous]

maybe you can take a look to the dateadd function? 
DateAdd, DateDiff, and TimeZoneOffset functions in Power Apps - Power Platform | Microsoft Learn

[Jak27136]

Davy thanks for this alredy tried this and it does not resolve. I have an invoice issued date which is a column I then want to add a number of days to give a due/payment date for the invoice. This can be a different number per supplier. Thanks again for taking the time to suggest a solution 

[WobblyDog]

Thanks I will give that a go and let you know... appreciate the help 

[v-shex-msft]

Hi @WobblyDog,

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Xiaoxin Sheng

[FreemanZ]

hi @WobblyDog 

Try to

1.Add a slicer with an isolated table Slicer[TermDays]

2.plot a table visual with [OrderNumber] (supposing there is one) , [invoice issued date] columns and a measure like:

due date =

MAX(TableName[invoice issued date])

+

SELECTEDVALUE(Slicer[TermDays])

[Jak27136]

FreemanZ thanks for your help this however it did not solve my problem. Thanks again and I will keep looking and experimenting