Custom hook to get Custom Fields from Meta Box Settings Page

WSForm-custom-hook.php

<?php 

// Add a filter for WordPress Filter Hook data source to use
add_filter( 'fws_get_addon_website_hook', 'fws_get_addon_website_callback', 10, 3 );

// My callback function for tag wsf_test_data_source_hook
function fws_get_addon_website_callback( $data_grid, $field_id, $form_object ) {

    // Check field ID
    if( $field_id !== 137) { return $data_grid; }

    // Build new data grid
    // Define columns
    $data_grid[ 'columns' ] = array(
        // Column 1
        array( 'label' => __( 'Price' ) ),
        // Column 2
        array( 'label' => __( 'Label' ) )
        // Other columns ...
    );

    // Define first group
    $data_grid[ 'groups' ] = array(
        // Group 1
        array(
            // Label for first group
            'label' => __('Checkboxes'),
            // Define rows in first group
            'rows' => array() // GET THE RECORDS FROM THE FOREACH LOOP
        )
        // Other groups ...
    );
    
    // Get MetaBox Custom Fields - Setting Page -- Master Pricing
    $setting_page = "master-pricing";
    $field_name = "creation_services"; // <=== CHANGE ME WITH THE RIGHT CUSTOM FIELD ID (METABOX)

    // Store the Meta Box Group on a variable
    $group = rwmb_meta(
        $field_name,
        ["object_type" => "setting"],
        $setting_page
    );
    
    // Loop the array with a foreach
    foreach ($group as $item) {
        // Create a new select row
        $data_grid["groups"][0]["rows"][] = array(
            // Add one column to the row data
            "data" => array(
                // Column 1 - Price
                $item["price"],
                // Column 2 - Label
                __($item["service_name"]),
            )
        );
    }
    
    return $data_grid;
}