$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

How to Install React Native on RHEL-based Distros

RHEL-based Installing React Native Guide

How to Install React Native on RHEL-based GNU/Linux desktops – Step by step Tutorials.

And React Native for CentOS is a JavaScript Framework for writing Real, Natively rendering Mobile Apps for iOS and Android.

Especially relevant: the easiest way to Get Started is with Expo CLI.

Because Expo is a Set of Tools built around React Native and, while it has many Features, but the most relevant is the Quick Start.

How to Install React Native on CentOS GNU/Linux Distro

CentOS React Native Installation Guides