lektor-website/content/docs/api/build/program/iter-child-sources/contents.lr

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title: iter_child_sources
---
type: method
---
summary: Optionally this method can be implemented to produce child sources.
---
body:
Optionally a builder can yield further sources that are then picked up by the
builder and processed normally. This is how the recursive build process in
Lektor is implemented for normal records.
## Example
```python
def iter_child_sources(self):
for child in self.sources.children:
yield child
```