# (Obj,String) to (Obj,Int)

### Description
Cast the second column from string to integer. It assumes the string contains only digits.

### Input
- `SOURCE [OBJ,STRING]`: a 2-column input with an object-string pair. Typically obtained with the `Extract string` block 

### Output 
- `RESULT [OBJ,INTEGER]`: the pairs from `SOURCE`, where the string has been turned into INTEGER
- `INTEGERS` : Only the second column
### Parameters
 
Output scores can be [aggregated](docs://score_aggregation) and/or [normalised](docs://score_normalisation).