# How to identify "about" topics?

**URL:** <https://meta.discourse.org/t/how-to-identify-about-topics/65403>\
**Category:** Development\
**Created:** [June 30, 2017, 4:02pm UTC](https://meta.discourse.org/t/how-to-identify-about-topics/65403 "2017-06-30T16:02:42Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![jack2](https://avatars.discourse-cdn.com/v4/letter/j/ac91a4/32.png) [@jack2](https://meta.discourse.org/u/jack2)\
**Post date:** [June 30, 2017, 11:00pm UTC](https://meta.discourse.org/t/how-to-identify-about-topics/65403/3 "2017-06-30T23:00:14Z")

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Thanks a lot, @fefrei. Your advice about the Rails console incited me to look deeper into the category descriptor for a `topic_id` field. And I found… a `topic_url` field! Getting the `topic_id` is then just a matter of:

```javascript
const topic_id = parseInt(topic_url.split('/').pop())

```

Thanks again!

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