Adds a single value to a list assign — the missing piece between Flow Assign (set a single value) and a full Flow Transform.Documentation Index
Fetch the complete documentation index at: https://docs.twine.se/llms.txt
Use this file to discover all available pages before exploring further.
Configuration
- Target assign — the list to mutate. If currently
nil, it is initialised to[]. Errors if the assign holds a non-list value. - Value source — where the value comes from. Same vocabulary as
Flow Compose / Flow Assign:
- Assign — copy the raw value of another assign.
- Extract — traverse into a map/struct at a path.
- Dated property — read a dated property through its facade.
- Literal — a fixed JSON-serializable value.
- Position —
End(default) appends,Startprepends.
Tips
- Pair with a
Flow Eachupstream to fold a derived value over a collection without writing a Flow Transform.