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I’m using groovy. In my plugin I have

```void apply(Project project) {
   //... register tasks etc

   project.artifacts.add('archives', new File("path-to-file.tar.gz")) 
} ```
Since my condition is based on the user defined extension dsl, I set the default value:

```extension.source.convention('DEFAULT')```
If I wrap `project.artifacts.add(...)` in a condition such as `if (extension.source.get() != 'DEFAULT')` the condition fails.

However, I think I solved my issue with

```project.afterEvaluate {
   if (extension.source.get() != 'DEFAULT') {
     project.artifacts.add('archives', new File("path-to-file.tar.gz")) 
   } 
}```

Using `afterEvaluate` is never a solution. It sometimes is doing symptom treatment, most often is just a lazy workaround, and always introduces timing and order problems.

Instead make a function in your extension that sets the source and where you can react to the user calling it

That’s the understanding I got from my research. I’m not really sure how to solve for my use-case.

Just to clarify, the user would invoke a function from the extension dsl?