# Template Parameters Dialog: OK button is not working

**URL:** <https://forum.inductiveautomation.com/t/template-parameters-dialog-ok-button-is-not-working/6478>\
**Category:** Ignition\
**Created:** [May 15, 2013, 7:04am UTC](https://forum.inductiveautomation.com/t/template-parameters-dialog-ok-button-is-not-working/6478 "2013-05-15T07:04:05Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![nclemeur](https://avatars.discourse-cdn.com/v4/letter/n/b5e925/32.png) [@nclemeur](https://forum.inductiveautomation.com/u/nclemeur)\
**Post date:** [May 15, 2013, 7:04am UTC](https://forum.inductiveautomation.com/t/template-parameters-dialog-ok-button-is-not-working/6478/1 "2013-05-15T07:04:05Z")

</div>

Hello all,  
I am trying to add a custom properties to a template, so I add the the property in the template parameters, but seems that there is a problem when clicking on the OK button…

Is there aanother way to modify a custom templaye properties?

I am using 7.6.0 downloaded today. The stacktrace is below:

```auto
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
	at com.inductiveautomation.factorypmi.designer.property.customizers.DynamicPropertyProviderCustomizer.getRemovedPropertySet(DynamicPropertyProviderCustomizer.java:208)
	at com.inductiveautomation.factorypmi.designer.property.customizers.DynamicPropertyProviderCustomizer.tryCommit(DynamicPropertyProviderCustomizer.java:372)
	at com.inductiveautomation.factorypmi.designer.property.CustomizerDialog.actionPerformed(CustomizerDialog.java:136)
	at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
	at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
	at java.awt.Component.processMouseEvent(Unknown Source)

```

---

<div class="post-metadata">

**Author:** ![nclemeur](https://avatars.discourse-cdn.com/v4/letter/n/b5e925/32.png) [@nclemeur](https://forum.inductiveautomation.com/u/nclemeur)\
**Post date:** [May 15, 2013, 7:07am UTC](https://forum.inductiveautomation.com/t/template-parameters-dialog-ok-button-is-not-working/6478/2 "2013-05-15T07:07:21Z")

</div>

Oops did not see that the problem was already mentionned:

[viewtopic.php?f=90&t=10145](http://inductiveautomation.com/forum/viewtopic.php?f=90&t=10145)