# tWriteDynamicFields

Creates a dynamic schema from input columns in the component.

tWriteDynamicFields creates an output dynamic column from input columns.

For more technologies supported by Talend, see [Talend components](https://help.qlik.com/talend/r/en-US/7.3/components/processing).

### In this section

* [tWriteDynamicFields Standard properties](https://help.qlik.com/talend/en-US/components/7.3/processing/twritedynamicfields-standard-properties)

**Related concepts**

[Creating a dynamic column and extract its content](https://help.qlik.com/talend/en-US/components/7.3/processing/twritedynamicfields-textractdynamicfields-tlogrow-trowgenerator-creating-dynamic-column-and-extract-its-content-standard-component-enterprise-this)

[Extracting the contents of a dynamic column via tJavaRow](https://help.qlik.com/talend/en-US/components/7.3/processing/twritedynamicfields-tfixedflowinput-tjavarow-tlogrow-extracting-contents-of-dynamic-column-via-tjavarow-standard-component-enterprise-in-this)