# Cannot call get with undefined key / Post.get is not a function

**URL:** <https://meta.discourse.org/t/cannot-call-get-with-undefined-key-post-get-is-not-a-function/45160>\
**Category:** Development\
**Created:** [2 ביוני,‏ 2016,‏ 9:23pm UTC](https://meta.discourse.org/t/cannot-call-get-with-undefined-key-post-get-is-not-a-function/45160 "2016-06-02T21:23:00Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![zogstrip](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/zogstrip/32/512781_2.png) [@zogstrip](https://meta.discourse.org/u/zogstrip)\
**Post date:** [3 ביוני,‏ 2016,‏ 9:22am UTC](https://meta.discourse.org/t/cannot-call-get-with-undefined-key-post-get-is-not-a-function/45160/2 "2016-06-03T09:22:53Z")

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Are you sure `post` is an Ember object? Have you tried `post.post_number`?

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_[View the full topic](https://meta.discourse.org/t/cannot-call-get-with-undefined-key-post-get-is-not-a-function/45160)._