Row number in airtable

How to get the number of any row in an airtable database by block?

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Hello
I have created a screen to login by Firebase Authentication from mobile number. There is also a textbox of the name.
Firebase Authentication is perfected from mobile number in Firebase and data is also uploaded in airtable.
I have to show the data from the airtable in the leadership board. The database of the airtable also has columns for mobile number, name and score.
When the score changes in the data of airtable then the score cell has to be updated and to update this score cell the update row by number block has to be used. How to get a row number automatically if you have to give a row number