Text in Spoiler

Excellent HelpDesk program. For a long time I was looking for something good, and I was pleased to find the perfect option for myself. I am sure that I will buy, but now I am testing and trying how this program is suitable for my purposes.
Sometimes with long texts, it is very good to use spoilers. However, I did not find a way to use it, since html is not resolved in questions, and the bb code is not active.
[spoiler title=Kuidas kontrollida mobiiltelefoni]text[/spoiler]
[spoiler title=Как проверить мобильный телефон]text[/spoiler]
[spoiler title=How to check a mobile phone]text[/spoiler]

We are currently running Maian Support version 4.2. I configured