# tStem Standard properties These properties are used to configure tStem running in the Standard Job framework. The Standard tStem component belongs to the Data Quality family. This component is available in Talend Data Management Platform, Talend Big Data Platform, Talend Real Time Big Data Platform, Talend Data Services Platform, Talend MDM Platform and Talend Data Fabric. ## Basic settings | Schema and
Edit schema | A schema is a row description, it defines
the number of fields to be processed and passed on
to the next component. The schema is either
Built-in or
stored remotely in the Repository. | | --- | --- | | | Built-in:
You create the schema and store it locally for
this component only. Related topic: see
*Talend Studio User Guide*. | | | Repository:
You have already created the schema and stored it
in the Repository. You can reuse it in various
projects and Job designs. Related topic: see
*Talend Studio User Guide*. | | Select Algorithm | Set a stemming algorithm for each analyzed
column of the type
*string*.


Column: list of
the analyzed column.


Algorithm: Select
from the list the algorithm language you want to
check the column data against. | ## Advanced settings | tStatCatcher
Statistics | Select this check box to collect log data at
the component level. | | --- | --- | ## Global Variables | Global
Variables | ERROR\_MESSAGE: the error message generated by the component when an
error occurs. This is an After variable and it returns a string. This variable functions
only if the Die on error check box
is cleared, if the component has this check
box.

A Flow variable functions during the execution of a component
while an After variable functions after the execution of the component.

To fill up a field or expression with a
variable, press Ctrl + Space to
access the variable list and choose the variable to use from it.

For further information about variables, see *Talend Studio*
*User Guide*. | | --- | --- | ## Usage | **Usage rule** | This component is an intermediary step. It
requires an input flow as well as an
output. | | --- | --- |