{% set assets = submission.getAssets(field.handle) %}
{% if assets %}
{% for asset in assets|filter(asset => asset is not null) %}
{% set thumbSizes = [30, 60, 100, 200] %}
{% set srcset = "" %}
{%- if asset.kind == 'image' -%}
{%- for size in thumbSizes -%}
{% set thumbTransform = { width: size, height: size } %}
{% set srcset = srcset ~ ", " ~ asset.getUrl(thumbTransform) ~ " " ~ size ~ "w" %}
{%- endfor -%}
{% set srcset = srcset|trim(", ") %}
{%- else -%}
{# Use getThumbUrl for non-image files like PDFs #}
{% set srcset = craft.app.assets.thumbUrl(asset, 200, 200) %}
{%- endif -%}
{% set srcset = srcset|trim(", ") %}
{% endfor %}
{% else %}
{{ "No files uploaded"|t('freeform') }}
{% endif %}