# Using content\_for in a partial with its own layout

**URL:** <https://discuss.rubyonrails.org/t/using-content-for-in-a-partial-with-its-own-layout/53410>\
**Category:** rubyonrails-core\
**Created:** [August 4, 2010, 8:07pm UTC](https://discuss.rubyonrails.org/t/using-content-for-in-a-partial-with-its-own-layout/53410 "2010-08-04T20:07:31Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Joe\_Fiorini](https://avatars.discourse-cdn.com/v4/letter/j/9fc348/32.png) [@Joe\_Fiorini](https://discuss.rubyonrails.org/u/Joe_Fiorini)\
**Post date:** [August 4, 2010, 8:07pm UTC](https://discuss.rubyonrails.org/t/using-content-for-in-a-partial-with-its-own-layout/53410/1 "2010-08-04T20:07:31Z")

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Can anyone tell me how content\_for concatenates content into the instance variable? I've been digging through ActionView code like crazy trying to find it. Here's some context:

Our system has a number of partials that render different types of posted items (image, file, video, etc) like so:

---

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**Author:** ![Joe\_Fiorini](https://avatars.discourse-cdn.com/v4/letter/j/9fc348/32.png) [@Joe\_Fiorini](https://discuss.rubyonrails.org/u/Joe_Fiorini)\
**Post date:** [August 4, 2010, 8:08pm UTC](https://discuss.rubyonrails.org/t/using-content-for-in-a-partial-with-its-own-layout/53410/2 "2010-08-04T20:08:29Z")

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Also worth noting I am using Rails 2.3.8 not 3.