values in entity form return always null Dynamics 365 portal

Hello,

I'm trying to get the values in the current form and make get the object in the liquid templates, but it returns always null , any help please??

Here is the code i'm using

{% assign customEntity = entities.new_entity['936DA01F-9ABD-4d9d-80C7-02AF85C822A8'] %}
{% if customEntity  %}
  {{ customEntity.new_attribute }}
{% endif %}

Thank you