Register Custom Gutenberg Block Pattern

/**
 * Register a custom block pattern for a hero section.
 */
add_action( 'init', function(): void {
    register_block_pattern_category( 'mytheme', array(
        'label' => __( 'My Theme', 'theme-domain' ),
    ) );

    register_block_pattern( 'mytheme/hero-section', array(
        'title'       => __( 'Hero Section', 'theme-domain' ),
        'description' => __( 'A full-width hero with heading, paragraph, and CTA button.', 'theme-domain' ),
        'categories'  => array( 'mytheme' ),
        'content'     => '


' . esc_html__( 'Build Something Amazing', 'theme-domain' ) . '


' . esc_html__( 'Start your next project with production-ready code.', 'theme-domain' ) . '



' . esc_html__( 'Get Started', 'theme-domain' ) . '



',
    ) );
} );