# name (field.fld)

The name of the field is a primary key referenced by [field](https://swatplus.gitbook.io/io-docs/~/changes/GiVD5ID0WVyRIAumaMy2/introduction/hydrologic-response-units/hru-data.hru/field) in [**hru-data.hru**](https://swatplus.gitbook.io/io-docs/~/changes/GiVD5ID0WVyRIAumaMy2/introduction/hydrologic-response-units/hru-data.hru) and [field ](https://swatplus.gitbook.io/io-docs/~/changes/GiVD5ID0WVyRIAumaMy2/introduction/routing-units/untitled/field)in [**rout\_unit.rtu**](https://swatplus.gitbook.io/io-docs/~/changes/GiVD5ID0WVyRIAumaMy2/introduction/routing-units/untitled)**.**
