liferoad commented on code in PR #30666:
URL: https://github.com/apache/beam/pull/30666#discussion_r1530967292
##########
examples/multi-language/README.md:
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@@ -28,6 +28,8 @@ This project provides examples of Apache Beam
* **python/javacount** - A Python pipeline that counts words using the Java
`Count.perElement()` transform.
* **python/javadatagenerator** - A Python pipeline that produces a set of
strings generated from Java.
This example demonstrates the
`JavaExternalTransform` API.
+* **python/wordcount_external** - A Python pipeline that runs the Word Count
workflow using three external Java
+ transforms. This example demonstrates the simpler
`ExternalTransformProvider` API.
Review Comment:
Do we have any step-by-step guide somewhere about how to create a new
JavaExternalTransform? If so, can we link it here? When I first looked at the
java codes, I am a bit lost about what parts I need to create in order to use
`ExternalTransformProvider`.
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