How do I create a column to number the rows of a data set

[Khristian_Evans]

I'm trying to create a column to number the rows in a data set. I was the to be T1, T2, T3, and so on.

[nagakavyasri]

@Khristian_Evans You can use Record id tool to create a column with ids (or) use a formula tool to have more customized columns. 

[Khristian_Evans]

Do you know what this formula would look like? 

[nagakavyasri · Accepted solution]

@Khristian_Evans