title: source_filename
---
summary: Returns the filename of the source file.
---
type: property
---
body:

This returns the primary source filename of the source object.  So for
instance if this is an asset it will be the path to it, if it is a record
it will be the path to the lektor contents file.  The path is relative
to the project folder.

## Example

```html+jinja
<p>
  Generated from {{ this.source_filename }}
</p>
```
