For example, if your forum member don't know how to use marquee code in html, so , you create a custom button for them, here is a example from a famous chinese forum software Discuz!
![Custom BBcode !!! Fly110](https://i.servimg.com/u/f32/13/02/25/50/th/fly110.jpg)
Sorry, the tag means the Custom code, for example [fly][/fly]
![Custom BBcode !!! Fly210](https://i.servimg.com/u/f32/13/02/25/50/th/fly210.jpg)
![Custom BBcode !!! Fly310](https://i.servimg.com/u/f32/13/02/25/50/th/fly310.jpg)
For this kind of method, you can insert mp3 easily by copying HTML code for playing MP3 file, and define the variable as the URL of mp3, when you input a URL of the mp3 file and publish, the mp3 will be played.
This will fulfill many pending suggestions in one way only!
![Custom BBcode !!! Fly110](https://i.servimg.com/u/f32/13/02/25/50/th/fly110.jpg)
Sorry, the tag means the Custom code, for example [fly][/fly]
![Custom BBcode !!! Fly210](https://i.servimg.com/u/f32/13/02/25/50/th/fly210.jpg)
![Custom BBcode !!! Fly310](https://i.servimg.com/u/f32/13/02/25/50/th/fly310.jpg)
For this kind of method, you can insert mp3 easily by copying HTML code for playing MP3 file, and define the variable as the URL of mp3, when you input a URL of the mp3 file and publish, the mp3 will be played.
This will fulfill many pending suggestions in one way only!