The ChangeCase transformation changes the case of the string in the Input parameter as specified by the Action parameter.
Descriptive name of the transformation. You can enter any name here.
Upper or lower. Specifies whether the case is to be changed to upper or lower.
Optional. Notes about the transformation.
The conditions under which this transformation is applied.
The name of the field from the log entry to use as input.
The name of the output field.
In this example, which uses fields of data collected from website traffic, the case of the string within the s-dns field is changed to lower case, and the new value is output in the new field, x-lowercase-dns.