Hi
I want to make some automatization using Zaps
Some emlpoyees, which have to have unique number of document ( sending outside company)
Thay are using google forms to sent data to shhet
Now I need to update column “B” od the sheet for next avaliable number - and I assume that if nest addes row wil be numer 6 in sheet
- - system will check last number in previous row “B” Column and add “1”
- - system will minus “1” from las row number and put it in last row column “B”
![](https://uploads-us-west-2.insided.com/zapier-ca/attachment/a3c93ab4-b408-4436-a58f-db797d8a2c09.png)
Finally will sent gmail to user “your next official number of ducument is “ XXX”
Now i have problem with selecting “last” row to modyfi data form column and putting correct number ( can`t make any matematisc inslide) - could you please support me ?
Regards
Bartek