WordPress block template function with ACF and Gravity Forms blocks

functions.php

/**
 * Adds block template to single custom post type Careers posts.
 */

function careers_block_template() {
	$post_type_object = get_post_type_object( 'careers' );
	$post_type_object->template = array(
	  array( 'acf/job-location' ),
	  array( 'acf/job-description' ),
	  array( 'acf/job-role' ),
	  array( 'gravityforms/form' ),
	);
  }

  add_action( 'init', 'careers_block_template' );