As per following url
https://developer.linkedin.com/docs/fields
Member profile fields available to Apply with LinkedIn developers
The following selection of profile fields are only available to applications that have applied and been approved for the Apply with LinkedIn program:
Full Profile Fields, Contact Info Fields, Company Fields, Publication Fields, Patent Fields, Language Fields, Skill Fields, Certification Fields, Course Fields, Education Fields, Volunteer Fields, Recommendation Fields
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Where to apply for this application on linked in developer portal. can someone share the url or way to do this
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