# tui/set-child-text
Set the text content of a mounted child widget via its `Editable.set-text`
protocol method.
## Syntax
[tui/set-child-text panel-id-or-tag child-idx text]
## Parameters
- `panel-id-or-tag` — numeric panel ID or string tag (resolved via find-panel)
- `child-idx` — zero-based index of the mounted child widget
- `text` — new text content
## Examples
[tui/set-child-text [tui/self] 0 "hello"]
## Returns
`true` on success, `false` if the child or panel is invalid.
## See Also
`tui/set-child-value`, `tui/get-child-value`, `tui/mount-widget`