Search box for blog post

Hi there,

Try:

<?php if ( is_single() ) { 
    get_search_form();
} ?>

okay, i try but don't work

Did you check Execute PHP?

I just tried the exact code in hooks and it worked.

i try to copy the code in hook

but search box don't appears

Which hook is that? can you link me to the page?

i try copy the code in:
- after header hook
and
- inside content container hook

https://grement.com/

That's the main blog page, not single posts.

Try this instead:

<?php if ( is_home() ) { 
    get_search_form();
} ?>

More info here if you are interested: https://docs.generatepress.com/article/using-hooks-conditional-tags/

sorry man,
now it works perfectly but if I need to view this in all the pages?

To show on all pages? You can just remove the conditional tag:
get_search_form();