Hello guys. I want to use a push button to turn wled on and off. I make it work. I create 2 presets; 1 preset T=1 and another preset T=0 but I can just have one short press to make one funtion and a long press to do the other. How can I make that with a single press turn it on and off? The 2 api commands in the same preset? Thanks a bunch in advance… 
There is a “toggle on-off” function in the API that covers this.
Take a look at: Push button for each segment - #4 by blazoncek
Also the API section of the docs: JSON API - WLED Project
I read those already but I am not that clear to understand it. And I am using push button…
Button 0 does that by default.
You mean the on board button? When I press that one it full reset the esp32 erasing all the settings. If I change the button 1 by 0 how I set both presets to respond to a single press?
That’s not right. I’m guessing you had a bad flash. What is the size of the file system in Info?
Yep, bad flash. Your file system should have more than 61k. 
Use the web installer.
and the worst part is that the wled is a acting good now. It wont erase the Led settings like was doing it before… How many kb must have?
That’s better!
Great… Now how I set it to make it ON and OFF with a single pulse the same button in the same input?
As mentioned, that is the default for the built-in button.
Ok. I am not at home yet. So. I can just change the gpi23 where I have it now for gpi0 in button 0? No changes in macros? I still need the on and off presets?