# tXSDValidator Helps at controlling data and structure quality of the file or flow to be processed. tXSDValidator validates an input XML file or an input XML flow against an XSD file and sends the validation log to the defined output. ## tXSDValidator Standard properties These properties are used to configure tXSDValidator running in the Standard Job framework. The Standard tXSDValidator component belongs to the XML family. The component in this framework is available in all Talend products. ## Basic settings | Properties | Description | | --- | --- | | Mode | Select the validation mode from the drop-down list.

| | 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.

Note that when File Mode is selected
from the Mode list, the schema of this
component is read-only and it contains standard information regarding
the file validation. | | XSD file | Specify the path to the XSD reference file. The HTTP URL is also
supported, for example,
*http://localhost:8080/book.xsd*.

This field is available only when File
Mode is selected from the Mode drop-down list. | | XML file | Specify the path to the XML file to be validated.

This field is available only when File
Mode is selected from the Mode drop-down list. | | If XML is valid, display | Type in the message to be displayed on the console if the XML file is
valid.

This field is available only when File
Mode is selected from the Mode drop-down list. | | If XML is invalid, display | Type in the message to be displayed on the console if the XML file is
invalid.

This field is available only when File
Mode is selected from the Mode drop-down list. | | Print to console | Select this check box to display the validation message on the
console.

This check box is available only when File
Mode is selected from the Mode drop-down list. | | Allocate | Click the [+] button to add as many
rows as needed, and in each row set the value of the following
columns:



This table is available only when Flow
Mode is selected from the Mode drop-down list. | ## Advanced settings | Properties | Description | | --- | --- | | Enable Features | Click the [+] button to add as many
rows as needed, and in each row enter the feature to be enabled on the
underlying parser between double quotation marks, for example, *"http://apache.org/xml/features/honour-all-schemaLocations"*.

For more information about the features, see https://xerces.apache.org/xerces2-j/features.html. | | Encoding | Enter the encoding type between double quotation marks. | | tStatCatcher Statistics | Select this checkbox to gather the Job processing metadata at the Job level
as well as at each component level. | ## Global Variables | Variables | Description | | --- | --- | | 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 checkbox is
cleared, if the component has this checkbox.


DIFFERENCE: the result of the
validation. This is a Flow variable and it returns a string.


VALID: the validation result. This is a Flow variable
and it returns a Boolean.


XSD\_ERROR\_MESSAGE:
the xsd error message generated by the component. This is a Flow variable and it returns
a string.

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 more information about variables, see [Using contexts and variables](https://help.qlik.com/talend/r/en-US/8.0/studio-user-guide/contexts-and-variables). | ## Usage | Usage guidance | Description | | --- | --- | | **Usage rule** | When File Mode is selected, this
component can be used as a standalone component but it is usually linked
to an output component to gather the log data. | **Related concepts** * [Validating data flows against an XSD file](https://help.qlik.com/talend/en-US/components/8.0/xml-validation/txsdvalidator-tfileoutputdelimited-tfileinputdelimited-tfileinputdelimited-validating-data-flows-against-xsd-file-standard-component-this)