# system.nav.goBack does not handle parameters

**URL:** <https://forum.inductiveautomation.com/t/system-nav-goback-does-not-handle-parameters/8658>\
**Category:** Ignition\
**Created:** [July 2, 2014, 4:09pm UTC](https://forum.inductiveautomation.com/t/system-nav-goback-does-not-handle-parameters/8658 "2014-07-02T16:09:43Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![adamaustin](https://avatars.discourse-cdn.com/v4/letter/a/5f8ce5/32.png) [@adamaustin](https://forum.inductiveautomation.com/u/adamaustin)\
**Post date:** [July 2, 2014, 4:09pm UTC](https://forum.inductiveautomation.com/t/system-nav-goback-does-not-handle-parameters/8658/1 "2014-07-02T16:09:43Z")

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If I swapTo a window and pass it parameterized elements through its custom properties, then when I use the goBack() command in a Typical Navigation Strategy, it “forgets” its parameters.

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**Author:** ![james.hunt](https://avatars.discourse-cdn.com/v4/letter/j/fbc32d/32.png) [@james.hunt](https://forum.inductiveautomation.com/u/james.hunt)\
**Post date:** [July 2, 2014, 7:55pm UTC](https://forum.inductiveautomation.com/t/system-nav-goback-does-not-handle-parameters/8658/2 "2014-07-02T19:55:47Z")

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Which window is losing its Parameters ? The Window you are going back to or the one that you are leaving ?

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<div class="post-metadata">

**Author:** ![adamaustin](https://avatars.discourse-cdn.com/v4/letter/a/5f8ce5/32.png) [@adamaustin](https://forum.inductiveautomation.com/u/adamaustin)\
**Post date:** [July 2, 2014, 8:09pm UTC](https://forum.inductiveautomation.com/t/system-nav-goback-does-not-handle-parameters/8658/3 "2014-07-02T20:09:37Z")

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The one I am going back to. It’s probably because the window is being unloaded.