How to add a field denoting header id in modx?

Question

MODX

And so that in the html markup template it is displayed<h1 id=''>Курсы</h1>

Answer 1

Can. in a template or chunk
If you move the cursor to the field name, a hint will appear what to write in square brackets

Answer 2

In MODX, you can create a bunch of different fields (TV - template variables, they are called), this is a direct basic advantage of CMS, read how you can add TV - modx.ws/uroki/uroki-modx-revolution/remennie-sha... and do what you need.