Edit PDF

Hello guys!

I’m new at dolibarr erp, and I’m facing some dificulties on how to add some informations on the Order PDF.

I need to show the “professional ID5” and actually all the professional id fields that has any information on the order PDF.
Also, I registered few custom fields on the customer order (setup>modules>customer order>additional attributes) and I need to show the information in this fields on the PDF, how can I do it?

p.s. Sorry if the fields names are not correct, I’m using the Portuguese translation, so I’m not sure about the correct english version names.

Thank you for your time and help!