SetWidgetReference
SetWidgetReference[name,value]
registers a widget with string name in the widget registry for the current interface.
Examples
Basic Examples (1)Summary of the most common use cases

https://wolfram.com/xid/0bfis4z0x2k2479oy-cblrnl

https://wolfram.com/xid/0bfis4z0x2k2479oy-lmo

WidgetReference allows you to use a name to access the underlying object:

https://wolfram.com/xid/0bfis4z0x2k2479oy-mw01x

You can use this object to create a new reference to the widget:

https://wolfram.com/xid/0bfis4z0x2k2479oy-bf4uz8
Now there are two names, and both reference the same widget:

https://wolfram.com/xid/0bfis4z0x2k2479oy-dhloyj

Wolfram Research (2007), SetWidgetReference, Wolfram Language function, https://reference.wolfram.com/language/GUIKit/ref/SetWidgetReference.html.
Text
Wolfram Research (2007), SetWidgetReference, Wolfram Language function, https://reference.wolfram.com/language/GUIKit/ref/SetWidgetReference.html.
Wolfram Research (2007), SetWidgetReference, Wolfram Language function, https://reference.wolfram.com/language/GUIKit/ref/SetWidgetReference.html.
CMS
Wolfram Language. 2007. "SetWidgetReference." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/GUIKit/ref/SetWidgetReference.html.
Wolfram Language. 2007. "SetWidgetReference." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/GUIKit/ref/SetWidgetReference.html.
APA
Wolfram Language. (2007). SetWidgetReference. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/GUIKit/ref/SetWidgetReference.html
Wolfram Language. (2007). SetWidgetReference. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/GUIKit/ref/SetWidgetReference.html
BibTeX
@misc{reference.wolfram_2025_setwidgetreference, author="Wolfram Research", title="{SetWidgetReference}", year="2007", howpublished="\url{https://reference.wolfram.com/language/GUIKit/ref/SetWidgetReference.html}", note=[Accessed: 15-April-2025
]}
BibLaTeX
@online{reference.wolfram_2025_setwidgetreference, organization={Wolfram Research}, title={SetWidgetReference}, year={2007}, url={https://reference.wolfram.com/language/GUIKit/ref/SetWidgetReference.html}, note=[Accessed: 15-April-2025
]}