# Which part of the code executes when we click a link on a post?
**URL:** https://meta.discourse.org/t/which-part-of-the-code-executes-when-we-click-a-link-on-a-post/75350
**Category:** Development
**Created:** [2017年十二月4日 15:10 UTC](https://meta.discourse.org/t/which-part-of-the-code-executes-when-we-click-a-link-on-a-post/75350 "2017-12-04T15:10:35Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@Sudaraka](https://meta.discourse.org/u/Sudaraka)
#### Post date: [2017年十二月4日 15:10 UTC](https://meta.discourse.org/t/which-part-of-the-code-executes-when-we-click-a-link-on-a-post/75350/1 "2017-12-04T15:10:35Z")
I need to know which part of the discourse source code is ignited when we click an external link in a discourse post. I had no luck going through previous threads
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### Author:  [@vinothkannans](https://meta.discourse.org/u/vinothkannans)
#### Post date: [2017年十二月4日 15:54 UTC](https://meta.discourse.org/t/which-part-of-the-code-executes-when-we-click-a-link-on-a-post/75350/2 "2017-12-04T15:54:40Z")
[https://github.com/discourse/discourse/blob/master/app/assets/javascripts/discourse/components/discourse-topic.js.es6#L51-L64](https://github.com/discourse/discourse/blob/master/app/assets/javascripts/discourse/components/discourse-topic.js.es6#L51-L64)
Also, have a look [here](https://github.com/discourse/discourse/blob/master/app/assets/javascripts/discourse/components/links-redirect.js.es6#L8) and [here](https://github.com/discourse/discourse/blob/master/app/assets/javascripts/discourse/lib/click-track.js.es6).
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### Author:  [@Sudaraka](https://meta.discourse.org/u/Sudaraka)
#### Post date: [2017年十二月7日 05:00 UTC](https://meta.discourse.org/t/which-part-of-the-code-executes-when-we-click-a-link-on-a-post/75350/3 "2017-12-07T05:00:44Z")
Thank you @vinothkannans