{#- If an id 'prefix' is not passed, fall back to using the name attribute
instead. We need this for error messages and hints as well -#}
{% set idPrefix = params.idPrefix if params.idPrefix %}
{{ params.title | default ("Contents") }}
{% if(params.items) %}
{% for item in params.items %}
{% set id = item.id if item.id else idPrefix + "-" + loop.index %}