|  | ## Extract Log Value

#### Synopsis

Reads the specified value from the input example set and provides the value for logging purposes.

#### Description

This operator can be used to log a specific value of a given example set into the provided log value "data_value" which can then be logged by the operator ProcessLogOperator.

#### Input

- example set: expects: ExampleSet, expects: ExampleSet, expects: ExampleSet

#### Output

- example set:

#### Parameters

- attribute name: The attribute from which the value should be taken.
- example index: The index of the example from which the value should be taken. Negative indices are counted from the end of the data set. Positive counting starts with 1, negative counting with -1.

#### ExampleProcess