Adding number to specific SharePoint table field and adding them together

[jakebroom]

Hi All,

I am struggling with the issue below:

On my app i want an input box of type "Number" that a user can input to. when the form is submitted it will enter the number into the user who is logged in "Days Remaining" field in a SharePoint list, however i want it to subtract the days entered from the number that is currently stored in the SharePoint table.

User	Entitlement	Days Remaining
user1	30	26

I hope that this makes sense but i am struggling to work out how to do this.

Thanks in advance.

Jake

[WarrenBelz]

Hi @jakebroom ,

I will call the Text box DaysText

On the Update property of the card, change DaysRemaining.Value (or whatever it is) to

If(
   !isBlank(DaysText),
      DaysRemaining.Value - Value(DaysText.Text),
      DaysRemaining.Value
)

This should subtract any days in the box from the value currently displayed in the card.

If this post helps, then please consider Accept it as the solution to help the other members find it more. It also closes the item. 

[v-yutliu-msft · Accepted solution]

Hi @jakebroom ,

Do you want to update an existing record?

Could you tell me the user field data type and what is your data source?

I assume that user field is person field.

If so, you could try this formula to update with the number in the input box:

Patch(table name,Lookup(table name, User.Email=User().Email),{Days Remaining:Days Remaining-Value(input box.Text)})

Best regards,