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

How to Install Postman on CentOS GNU+Linux Distro

GNU/Linux RHEL-based Installing Postman Guide

How to Install Postman REST/SOAP Client on RHEL-based GNU/Linux desktops – Step by step Tutorials.

And Postman for CentOS is the Complete API Development Environment with Integrated Tools for Every Stage of the API Lifecycle.

Finally, this Guide is valid also for all the others RHEL Based Distros like:

  • Red Hat Enterprise Linux
  • Oracle Enterprise Linux
  • Rocky Linux
  • AlmaLinux
How to Install Postman on CentOS GNU+Linux Distro

GNU/Linux RHEL-based Postman REST/SOAP Client Installation Guide