Add Image Size to Advanced Custom Fields

Crop-Thumbnails

add_image_size('pageBanner', 1500, 300, true);

$pageBannerImage = get_field('page_banner_image');

echo $pageBannerImage['sizes']['pageBanner'];

<?php echo wp_get_attachment_image_src( get_field('field_name'), 'medium' )[0]; ?>

<?php
    $attachment_id = get_field('image');
    $size = 'gallery-thumb';
    $image = wp_get_attachment_image_src( $attachment_id, $size )[0];
?>
       
<div class="col-md-3">
    <div class="card">
        <div class="card-img-top">
            <a href="<?php the_field('link'); ?>">
                <img src="<?php echo $image; ?>" alt="<?php the_field('title'); ?>">
            </a>
        </div>
        <div class="card-body">
            <h4 class="card-title"><?php the_field('title'); ?></h4>
        </div>
    </div>    
</div>