# tWriteAvroFields

Transforms the incoming data into Avro files.

tWriteAvroFields generates Avro binaries to be used by the components requiring serialized data as input such as tKafkaOutput.

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

### In this section

* [tWriteAvroFields properties for Apache Spark Streaming](https://help.qlik.com/talend/en-US/components/7.3/processing/twriteavrofields-properties-for-apache-spark-streaming)