CM2 default post id with suffix or prefix

CM2 default post id with suffix or prefix.php

<?php 

// CMB2 with Prefix
function prefix_default_offer_id_by_offer_id( $field_args, $field ) {
    return 'prefix_'. $field->object_id;
}
$cmb->add_field( array(
		'name'       => esc_html__( 'Nr. Oferta', 'cmb2' ),
		'id'         => 'woopog_offer_id',
		'type'       => 'text',
		// 'default'    => '',
		'default_cb' => 'prefix_default_offer_id_by_offer_id',
) );


// CMB2 with Suffix
function suffix_default_offer_id_by_offer_id( $field_args, $field ) {
    return $field->object_id.'_suffix';
}
$cmb->add_field( array(
		'name'       => esc_html__( 'Nr. Oferta', 'cmb2' ),
		'id'         => 'woopog_offer_id',
		'type'       => 'text',
		// 'default'    => '',
		'default_cb' => 'suffix_default_offer_id_by_offer_id',
) );