# 如何按分类为主题添加自定义字段 **URL:** \ **Category:** Development\ **Created:** [2018年八月8日 18:13 UTC](https://meta.discourse.org/t/how-to-add-custom-field-on-topics-by-category/94228 "2018-08-08T18:13:31Z")\ **Posts on this page:** 1\ **Page:** 1
**Author:** ![Menzer](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/menzer/32/119682_2.png) [@Menzer](https://meta.discourse.org/u/Menzer)\ **Post date:** [2018年八月8日 18:13 UTC](https://meta.discourse.org/t/how-to-add-custom-field-on-topics-by-category/94228/1 "2018-08-08T18:13:31Z")
I would like to understand how to create a custom field for topics depending on category (I’d like to be able to select which categories this Custom Field will be visible. Ideally I would like 2 custom fields 1 Text field 1 image upload field The custom fields should display on the layout sidebar display box, However i’d like text field value ( added when creating a topic and will be a URL link to an MP3 file) to display a player to play the MP3 file The image custom field upload will just be a logo to display above the Text field If anyone can help point me in the right direction I would be grateful