.htaccess Redirect from domain to subdomain of diferrent domain

Hi there

I would like to create a re-direct of abc.com (going to be terminated in a month) to a subdomain of a different domain abc.xyz.com, so all the links match.

I am using the code

#Options +FollowSymLinks
RewriteEngine on
RewriteRule ^(.*)$ https://www.newsite.com/$1 [R=301,L]

… to re-direct domain A to domain B.

Exactly which .htaccess code do I use however to re-direct to a site moving to a subdomain of a different domain, but maintaining the structure?

Would this be correct

#Options +FollowSymLinks
RewriteEngine on
RewriteRule ^(.*)$ https://abc.xyz.com/$1 [R=301,L]

?

Thank you in advance.