How i can do "Click to show screenshot" in my topics?

[Mokq]

it's a button you click it to show/hide the screenshot 
i believe i saw something like that before here but idk how to do that  

[xakey61694]

thx

[l100]

[img]url[/img

Obviously with the ] at the end

[Mokq]

thx

[Mokq]

[img]url[/img

Obviously with the ] at the end

i know how to add images, i meant something else 

[l100]

i know how to add images, i meant something else 

Ah okay apologies, I just assumed that's what you meant

[Mokq]

Ah okay apologies, I just assumed that's what you meant

no worries 

[Eminem]

it's a button you click it to show/hide the screenshot 
i believe i saw something like that before here but idk how to do that  

 

if you mean spoiler its: 

Please Login or Register to see this Hidden Content

[Mokq]

 

if you mean spoiler its: 

Please Login or Register to see this Hidden Content

That's what i was looking for