# Could anybody give an example on usage PropertyLinks?

**URL:** https://discourse.paraview.org/t/could-anybody-give-an-example-on-usage-propertylinks/14375
**Category:** Development
**Created:** [April 10, 2024, 1:35pm UTC](https://discourse.paraview.org/t/could-anybody-give-an-example-on-usage-propertylinks/14375 "2024-04-10T13:35:15Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![joint](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/j/dc4da7/32.png) [@joint](https://discourse.paraview.org/u/joint)
#### Post date: [April 10, 2024, 1:35pm UTC](https://discourse.paraview.org/t/could-anybody-give-an-example-on-usage-propertylinks/14375/1 "2024-04-10T13:35:15Z")

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Hello!

I ve come across a really confusing subject, property link

this-\>addPropertyLink(widget, “value”, SIGNAL(valueChanged(int)), ivp);

Could anyone please explain how to use those?

Thanks!

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### Author: ![mwestphal](https://discourse.paraview.org/user_avatar/discourse.paraview.org/mwestphal/32/17_2.png) [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [April 17, 2024, 10:28am UTC](https://discourse.paraview.org/t/could-anybody-give-an-example-on-usage-propertylinks/14375/2 "2024-04-17T10:28:00Z")

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[https://kitware.github.io/paraview-docs/latest/cxx/classpqPropertyLinks.html#a3ed6bf89c04910fbc3898ac35c0a6fa0](https://kitware.github.io/paraview-docs/latest/cxx/classpqPropertyLinks.html#a3ed6bf89c04910fbc3898ac35c0a6fa0)

> Setup a link between a Qt property and vtkSMProperty on a vtkSMProxy instance.
