Pakistani Origin Danish citizens having valid Pakistan Origin Card (POC) do not need to apply for their visa since they have visa-free entry to Pakistan on POC.
Citizens of Denmark with Pakistani origin (not having Valid Pakistan Origin Card) and their spouse/children can avail this visa facility, provided their nationality is listed here (https://visa.nadra.gov.pk/electronic-travel-authorization-eta/)

The applicants are required to upload:

• Passport
• Passport size (2 in x 1.5 in) photograph with white background. The pictures should not be older than 3 months.
• POC (as a proof of family linkage for the spouse/children not having valid POC);
• Marriage Certificate or Birth Certificate;
• Proof of Pakistani origin (POC/NICOP/Passport/Renunciation Certificate).
• In case of children, proof of Pakistani origin of either of the parents;
• Proof of residence in Denmark/ Sundhedskort/Health Card;

Apply Here (https://visa.nadra.gov.pk/e-visa/)