# tui/get-child-value
Get the current value of a mounted child widget by child index.
## Syntax
[tui/get-child-value panel-id-or-tag child-idx]
## 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
## Examples
[tui/get-child-value [tui/self] 0] [tui/get-child-value "editor" 2]
## Returns
The child widget's current value, or `nil` if not found.
## See Also
`tui/set-child-value`, `tui/set-child-text`, `tui/mount-widget`