Function yourprefix_register_rest_api_box
Hook in and add a box to be available in the CMB2 REST API. Can only happen on the 'cmb2_init' hook. More info: https://github.com/CMB2/CMB2/wiki/REST-API
Hook in and add a box to be available in the CMB2 REST API. Can only happen on the 'cmb2_init' hook. More info: https://github.com/CMB2/CMB2/wiki/REST-API