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filter is not described

heartbeat_received filter-hook . WP 3.6.0

Filters the Heartbeat response received.

Usage

add_filter( 'heartbeat_received', 'filter_function_name_4952', 10, 3 );
function filter_function_name_4952( $response, $data, $screen_id ){
	// filter...

	return $response;
}
$response(array)
The Heartbeat response.
$data(array)
The $_POST data sent.
$screen_id(string)
The screen id.

Where the hook is called

wp_ajax_heartbeat()
wp-admin/includes/ajax-actions.php 2816
$response = apply_filters( 'heartbeat_received', $response, $data, $screen_id );

Where the hook is used (in WP core)

wp-includes/class-wp-customize-manager.php 383
add_filter( 'heartbeat_received', array( $this, 'check_changeset_lock_with_heartbeat' ), 10, 3 );
wp-admin/includes/admin-filters.php 69
add_filter( 'heartbeat_received', 'wp_check_locked_posts', 10, 3 );
wp-admin/includes/admin-filters.php 70
add_filter( 'heartbeat_received', 'wp_refresh_post_lock', 10, 3 );
wp-admin/includes/admin-filters.php 71
add_filter( 'heartbeat_received', 'heartbeat_autosave', 500, 2 );