# Override custom field

**URL:** <https://meta.discourse.org/t/override-custom-field/136985>\
**Category:** Development\
**Created:** [December 24, 2019, 3:08pm UTC](https://meta.discourse.org/t/override-custom-field/136985 "2019-12-24T15:08:29Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![merefield](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/merefield/32/176214_2.png) [@merefield](https://meta.discourse.org/u/merefield)\
**Post date:** [December 26, 2019, 10:06am UTC](https://meta.discourse.org/t/override-custom-field/136985/3 "2019-12-26T10:06:05Z")

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> [@Dev\_Work](#):
>
> {{#if f.field.name == complete }}

This doesn’t work because you can’t perform the actual logic calculation in a Template. This needs to be handled in the corresponding js by a Computed Property. Be sure to read [the official Ember guides (making sure you select the same version that Discourse uses)](https://guides.emberjs.com/v3.10.0/) and look at the code in one of the many popular #Customization > Plugin on here to provide you with examples.

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