You can also give a function name directly

source/development.html.md

@@ -50,6 +50,12 @@ Here is an example:
 
 ```
 
+If your function is too long, you can also put it in `plume-models`, and simply give it's full identifier in the comment:
+
+```sql
+--#! crate::my_migration_function
+```
+
 To run migrations, you can use `plm migration run`. To cancel and re-run them, use `plm migration redo`.
 
 ## Testing the federation