Which sections to add to each row. Default: skills, education, experience. Optional extras, returned only when requested and present on the profile: about, certifications, languages, honors, projects, publications, patents, recommendations, interests, articles, groups, volunteer (volunteerExperience), organizations, courses, testScores, and profileDetails (industry, followersCount, profileImageUrl, backgroundImageUrl; the image URLs expire). Field groups: location (city, state, stateFullName, countryFullName, countryIso3), links (githubUrl, twitterUrl, facebookUrl, websiteUrl), currentJob (currentCompanyLinkedinId, currentCompanyLogoUrl which expires, currentJobStartDate, currentJobDescription, currentJobLocation, currentEmploymentType, currentJobFunction, currentSeniority, jobTitleNormalized), analytics (seniorityLevel, isDecisionMaker, averageTenureYears, certificationsCount, languagesCount, companiesCount, highestDegree, and the booleans hasWorkEmail, hasPersonalEmail, hasPhone; never the addresses or numbers), network (relatedProfiles up to 10, similarNames, activities), quality (dataQualityPublicExperienceAvailable, sectionsIncluded). Use all for every section and group. Extras are never charged separately. A profile is charged only when at least one requested list among skills, education, experience has content, so always include at least one of those three (all includes them).