schemas/authenticate_action library
Classes
- SchemaAuthenticateAction
- The action of authenticating into a device or application. See https://schema.org/AuthenticateAction
- schema_org package
- documentation
- schemas/authenticate_action.dart
schema_org package
- Libraries
- schema_org
- schemas/about_page
- schemas/accept_action
- schemas/accommodation
- schemas/accounting_service
- schemas/achieve_action
- schemas/action
- schemas/action_access_specification
- schemas/action_status_type
- schemas/activate_action
- schemas/add_action
- schemas/administrative_area
- schemas/adult_entertainment
- schemas/adult_oriented_enumeration
- schemas/advertiser_content_article
- schemas/aggregate_offer
- schemas/aggregate_rating
- schemas/agree_action
- schemas/airline
- schemas/airport
- schemas/alignment_object
- schemas/allocate_action
- schemas/am_radio_channel
- schemas/amp_story
- schemas/amusement_park
- schemas/analysis_news_article
- schemas/anatomical_structure
- schemas/anatomical_system
- schemas/animal_shelter
- schemas/answer
- schemas/apartment
- schemas/apartment_complex
- schemas/api_reference
- schemas/append_action
- schemas/apply_action
- schemas/approved_indication
- schemas/aquarium
- schemas/archive_component
- schemas/archive_organization
- schemas/arrive_action
- schemas/art_gallery
- schemas/artery
- schemas/article
- schemas/ask_action
- schemas/ask_public_news_article
- schemas/assess_action
- schemas/assign_action
- schemas/atlas
- schemas/attorney
- schemas/audience
- schemas/audio_object
- schemas/audio_object_snapshot
- schemas/audiobook
- schemas/authenticate_action
- schemas/authorize_action
- schemas/auto_body_shop
- schemas/auto_dealer
- schemas/auto_parts_store
- schemas/auto_rental
- schemas/auto_repair
- schemas/auto_wash
- schemas/automated_teller
- schemas/automotive_business
- schemas/background_news_article
- schemas/bakery
- schemas/bank_account
- schemas/bank_or_credit_union
- schemas/bar_or_pub
- schemas/barcode
- schemas/beach
- schemas/beauty_salon
- schemas/bed_and_breakfast
- schemas/bed_details
- schemas/bed_type
- schemas/befriend_action
- schemas/bike_store
- schemas/bio_chem_entity
- schemas/blog
- schemas/blog_posting
- schemas/blood_test
- schemas/boarding_policy_type
- schemas/boat_reservation
- schemas/boat_terminal
- schemas/boat_trip
- schemas/body_measurement_type_enumeration
- schemas/body_of_water
- schemas/bone
- schemas/book
- schemas/book_format_type
- schemas/book_series
- schemas/book_store
- schemas/bookmark_action
- schemas/borrow_action
- schemas/bowling_alley
- schemas/brain_structure
- schemas/brand
- schemas/breadcrumb_list
- schemas/brewery
- schemas/bridge
- schemas/broadcast_channel
- schemas/broadcast_event
- schemas/broadcast_frequency_specification
- schemas/broadcast_service
- schemas/brokerage_account
- schemas/buddhist_temple
- schemas/bus_or_coach
- schemas/bus_reservation
- schemas/bus_station
- schemas/bus_stop
- schemas/bus_trip
- schemas/business_audience
- schemas/business_entity_type
- schemas/business_event
- schemas/business_function
- schemas/buy_action
- schemas/cable_or_satellite_service
- schemas/cafe_or_coffee_shop
- schemas/campground
- schemas/camping_pitch
- schemas/canal
- schemas/cancel_action
- schemas/car
- schemas/car_usage_type
- schemas/casino
- schemas/category_code
- schemas/category_code_set
- schemas/catholic_church
- schemas/cdcpmd_record
- schemas/cemetery
- schemas/certification
- schemas/certification_status_enumeration
- schemas/chapter
- schemas/check_action
- schemas/check_in_action
- schemas/check_out_action
- schemas/checkout_page
- schemas/chemical_substance
- schemas/child_care
- schemas/childrens_event
- schemas/choose_action
- schemas/church
- schemas/city
- schemas/city_hall
- schemas/civic_structure
- schemas/claim
- schemas/claim_review
- schemas/class
- schemas/clip
- schemas/clothing_store
- schemas/code
- schemas/collection
- schemas/collection_page
- schemas/college_or_university
- schemas/comedy_club
- schemas/comedy_event
- schemas/comic_cover_art
- schemas/comic_issue
- schemas/comic_series
- schemas/comic_story
- schemas/comment
- schemas/comment_action
- schemas/communicate_action
- schemas/complete_data_feed
- schemas/compound_price_specification
- schemas/computer_language
- schemas/computer_store
- schemas/conference_event
- schemas/confirm_action
- schemas/consortium
- schemas/constraint_node
- schemas/consume_action
- schemas/contact_page
- schemas/contact_point
- schemas/contact_point_option
- schemas/continent
- schemas/control_action
- schemas/convenience_store
- schemas/conversation
- schemas/cook_action
- schemas/cooperative
- schemas/corporation
- schemas/correction_comment
- schemas/country
- schemas/course
- schemas/course_instance
- schemas/courthouse
- schemas/cover_art
- schemas/covid_testing_facility
- schemas/create_action
- schemas/creative_work
- schemas/creative_work_season
- schemas/creative_work_series
- schemas/credential
- schemas/credit_card
- schemas/crematorium
- schemas/critic_review
- schemas/currency_conversion_service
- schemas/d_dx_element
- schemas/dance_event
- schemas/dance_group
- schemas/data_catalog
- schemas/data_download
- schemas/data_feed
- schemas/data_feed_item
- schemas/data_type
- schemas/dataset
- schemas/dated_money_specification
- schemas/day_of_week
- schemas/day_spa
- schemas/de_nonprofit_type
- schemas/deactivate_action
- schemas/defence_establishment
- schemas/defined_region
- schemas/defined_term
- schemas/defined_term_set
- schemas/delete_action
- schemas/delivery_charge_specification
- schemas/delivery_event
- schemas/delivery_method
- schemas/demand
- schemas/dentist
- schemas/depart_action
- schemas/department_store
- schemas/deposit_account
- schemas/diagnostic_lab
- schemas/diagnostic_procedure
- schemas/diet
- schemas/dietary_supplement
- schemas/digital_document
- schemas/digital_document_permission
- schemas/digital_document_permission_type
- schemas/digital_platform_enumeration
- schemas/disagree_action
- schemas/discover_action
- schemas/discussion_forum_posting
- schemas/dislike_action
- schemas/distance
- schemas/distillery
- schemas/donate_action
- schemas/dose_schedule
- schemas/download_action
- schemas/draw_action
- schemas/drawing
- schemas/drink_action
- schemas/drive_wheel_configuration_value
- schemas/drug
- schemas/drug_class
- schemas/drug_cost
- schemas/drug_cost_category
- schemas/drug_legal_status
- schemas/drug_pregnancy_category
- schemas/drug_prescription_status
- schemas/drug_strength
- schemas/dry_cleaning_or_laundry
- schemas/duration
- schemas/eat_action
- schemas/education_event
- schemas/educational_audience
- schemas/educational_occupational_credential
- schemas/educational_occupational_program
- schemas/educational_organization
- schemas/electrician
- schemas/electronics_store
- schemas/elementary_school
- schemas/email_message
- schemas/embassy
- schemas/emergency_service
- schemas/employee_role
- schemas/employer_aggregate_rating
- schemas/employer_review
- schemas/employment_agency
- schemas/endorse_action
- schemas/endorsement_rating
- schemas/energy
- schemas/energy_consumption_details
- schemas/energy_efficiency_enumeration
- schemas/energy_star_energy_efficiency_enumeration
- schemas/engine_specification
- schemas/entertainment_business
- schemas/entry_point
- schemas/enumeration
- schemas/episode
- schemas/error
- schemas/eu_energy_efficiency_enumeration
- schemas/event
- schemas/event_attendance_mode_enumeration
- schemas/event_reservation
- schemas/event_series
- schemas/event_status_type
- schemas/event_venue
- schemas/exchange_rate_specification
- schemas/exercise_action
- schemas/exercise_gym
- schemas/exercise_plan
- schemas/exhibition_event
- schemas/faq_page
- schemas/fast_food_restaurant
- schemas/festival
- schemas/film_action
- schemas/financial_incentive
- schemas/financial_product
- schemas/financial_service
- schemas/find_action
- schemas/fire_station
- schemas/flight
- schemas/flight_reservation
- schemas/floor_plan
- schemas/florist
- schemas/fm_radio_channel
- schemas/follow_action
- schemas/food_establishment
- schemas/food_establishment_reservation
- schemas/food_event
- schemas/food_service
- schemas/fulfillment_type_enumeration
- schemas/funding_agency
- schemas/funding_scheme
- schemas/furniture_store
- schemas/game
- schemas/game_availability_enumeration
- schemas/game_play_mode
- schemas/game_server
- schemas/game_server_status
- schemas/garden_store
- schemas/gas_station
- schemas/gated_residence_community
- schemas/gender_type
- schemas/gene
- schemas/general_contractor
- schemas/geo_circle
- schemas/geo_coordinates
- schemas/geo_shape
- schemas/geospatial_geometry
- schemas/give_action
- schemas/golf_course
- schemas/government_benefits_type
- schemas/government_building
- schemas/government_office
- schemas/government_organization
- schemas/government_permit
- schemas/government_service
- schemas/grant
- schemas/grocery_store
- schemas/guide
- schemas/hackathon
- schemas/hair_salon
- schemas/hardware_store
- schemas/health_and_beauty_business
- schemas/health_aspect_enumeration
- schemas/health_club
- schemas/health_insurance_plan
- schemas/health_plan_cost_sharing_specification
- schemas/health_plan_formulary
- schemas/health_plan_network
- schemas/health_topic_content
- schemas/high_school
- schemas/hindu_temple
- schemas/hobby_shop
- schemas/home_and_construction_business
- schemas/home_goods_store
- schemas/hospital
- schemas/hostel
- schemas/hotel
- schemas/hotel_room
- schemas/house
- schemas/house_painter
- schemas/how_to
- schemas/how_to_direction
- schemas/how_to_item
- schemas/how_to_section
- schemas/how_to_step
- schemas/how_to_supply
- schemas/how_to_tip
- schemas/how_to_tool
- schemas/hvac_business
- schemas/hyper_toc
- schemas/hyper_toc_entry
- schemas/ice_cream_shop
- schemas/ignore_action
- schemas/image_gallery
- schemas/image_object
- schemas/image_object_snapshot
- schemas/imaging_test
- schemas/incentive_qualified_expense_type
- schemas/incentive_status
- schemas/incentive_type
- schemas/individual_physician
- schemas/individual_product
- schemas/infectious_agent_class
- schemas/infectious_disease
- schemas/inform_action
- schemas/insert_action
- schemas/install_action
- schemas/instantaneous_event
- schemas/insurance_agency
- schemas/intangible
- schemas/interact_action
- schemas/interaction_counter
- schemas/internet_cafe
- schemas/investment_fund
- schemas/investment_or_deposit
- schemas/invite_action
- schemas/invoice
- schemas/iptc_digital_source_enumeration
- schemas/it_nonprofit_type
- schemas/item_availability
- schemas/item_list
- schemas/item_list_order_type
- schemas/item_page
- schemas/jewelry_store
- schemas/job_posting
- schemas/join_action
- schemas/joint
- schemas/lake_body_of_water
- schemas/landform
- schemas/landmarks_or_historical_buildings
- schemas/language
- schemas/learning_resource
- schemas/leave_action
- schemas/legal_force_status
- schemas/legal_service
- schemas/legal_value_level
- schemas/legislation
- schemas/legislation_object
- schemas/legislative_building
- schemas/lend_action
- schemas/library
- schemas/library_system
- schemas/lifestyle_modification
- schemas/ligament
- schemas/like_action
- schemas/link_role
- schemas/liquor_store
- schemas/list_item
- schemas/listen_action
- schemas/literary_event
- schemas/live_blog_posting
- schemas/loan_or_credit
- schemas/local_business
- schemas/location_feature_specification
- schemas/locksmith
- schemas/lodging_business
- schemas/lodging_reservation
- schemas/login_action
- schemas/lose_action
- schemas/lymphatic_vessel
- schemas/manuscript
- schemas/map
- schemas/map_category_type
- schemas/marry_action
- schemas/mass
- schemas/math_solver
- schemas/maximum_dose_schedule
- schemas/measurement_method_enum
- schemas/measurement_type_enumeration
- schemas/media_enumeration
- schemas/media_gallery
- schemas/media_manipulation_rating_enumeration
- schemas/media_object
- schemas/media_review
- schemas/media_review_item
- schemas/media_subscription
- schemas/medical_audience
- schemas/medical_audience_type
- schemas/medical_business
- schemas/medical_cause
- schemas/medical_clinic
- schemas/medical_code
- schemas/medical_condition
- schemas/medical_condition_stage
- schemas/medical_contraindication
- schemas/medical_device
- schemas/medical_device_purpose
- schemas/medical_entity
- schemas/medical_enumeration
- schemas/medical_evidence_level
- schemas/medical_guideline
- schemas/medical_guideline_contraindication
- schemas/medical_guideline_recommendation
- schemas/medical_imaging_technique
- schemas/medical_indication
- schemas/medical_intangible
- schemas/medical_observational_study
- schemas/medical_observational_study_design
- schemas/medical_organization
- schemas/medical_procedure
- schemas/medical_procedure_type
- schemas/medical_risk_calculator
- schemas/medical_risk_estimator
- schemas/medical_risk_factor
- schemas/medical_risk_score
- schemas/medical_scholarly_article
- schemas/medical_sign
- schemas/medical_sign_or_symptom
- schemas/medical_specialty
- schemas/medical_study
- schemas/medical_study_status
- schemas/medical_symptom
- schemas/medical_test
- schemas/medical_test_panel
- schemas/medical_therapy
- schemas/medical_trial
- schemas/medical_trial_design
- schemas/medical_web_page
- schemas/medicine_system
- schemas/meeting_room
- schemas/member_program
- schemas/member_program_tier
- schemas/mens_clothing_store
- schemas/menu
- schemas/menu_item
- schemas/menu_section
- schemas/merchant_return_enumeration
- schemas/merchant_return_policy
- schemas/merchant_return_policy_seasonal_override
- schemas/message
- schemas/middle_school
- schemas/mobile_application
- schemas/mobile_phone_store
- schemas/molecular_entity
- schemas/monetary_amount
- schemas/monetary_amount_distribution
- schemas/monetary_grant
- schemas/money_transfer
- schemas/mortgage_loan
- schemas/mosque
- schemas/motel
- schemas/motorcycle
- schemas/motorcycle_dealer
- schemas/motorcycle_repair
- schemas/motorized_bicycle
- schemas/mountain
- schemas/move_action
- schemas/movie
- schemas/movie_clip
- schemas/movie_rental_store
- schemas/movie_series
- schemas/movie_theater
- schemas/moving_company
- schemas/muscle
- schemas/museum
- schemas/music_album
- schemas/music_album_production_type
- schemas/music_album_release_type
- schemas/music_composition
- schemas/music_event
- schemas/music_group
- schemas/music_playlist
- schemas/music_recording
- schemas/music_release
- schemas/music_release_format_type
- schemas/music_store
- schemas/music_venue
- schemas/music_video_object
- schemas/nail_salon
- schemas/nerve
- schemas/news_article
- schemas/news_media_organization
- schemas/newspaper
- schemas/ngo
- schemas/night_club
- schemas/nl_nonprofit_type
- schemas/nonprofit_type
- schemas/notary
- schemas/note_digital_document
- schemas/nutrition_information
- schemas/observation
- schemas/occupation
- schemas/occupational_experience_requirements
- schemas/occupational_therapy
- schemas/ocean_body_of_water
- schemas/offer
- schemas/offer_catalog
- schemas/offer_for_lease
- schemas/offer_for_purchase
- schemas/offer_item_condition
- schemas/offer_shipping_details
- schemas/office_equipment_store
- schemas/on_demand_event
- schemas/online_business
- schemas/online_marketplace
- schemas/online_store
- schemas/opening_hours_specification
- schemas/operating_system
- schemas/opinion_news_article
- schemas/optician
- schemas/order
- schemas/order_action
- schemas/order_item
- schemas/order_status
- schemas/organization
- schemas/organization_role
- schemas/organize_action
- schemas/outlet_store
- schemas/ownership_info
- schemas/paint_action
- schemas/painting
- schemas/palliative_procedure
- schemas/parcel_delivery
- schemas/parent_audience
- schemas/park
- schemas/parking_facility
- schemas/pathology_test
- schemas/patient
- schemas/pawn_shop
- schemas/pay_action
- schemas/payment_card
- schemas/payment_charge_specification
- schemas/payment_method
- schemas/payment_method_type
- schemas/payment_service
- schemas/payment_status_type
- schemas/people_audience
- schemas/perform_action
- schemas/performance_role
- schemas/performing_arts_event
- schemas/performing_arts_theater
- schemas/performing_group
- schemas/periodical
- schemas/permit
- schemas/person
- schemas/pet_store
- schemas/pharmacy
- schemas/photograph
- schemas/photograph_action
- schemas/physical_activity
- schemas/physical_activity_category
- schemas/physical_exam
- schemas/physical_therapy
- schemas/physician
- schemas/physicians_office
- schemas/place
- schemas/place_of_worship
- schemas/plan_action
- schemas/play
- schemas/play_action
- schemas/play_game_action
- schemas/playground
- schemas/plumber
- schemas/podcast_episode
- schemas/podcast_season
- schemas/podcast_series
- schemas/police_station
- schemas/political_party
- schemas/pond
- schemas/post_office
- schemas/postal_address
- schemas/postal_code_range_specification
- schemas/poster
- schemas/pre_order_action
- schemas/prepend_action
- schemas/preschool
- schemas/presentation_digital_document
- schemas/prevention_indication
- schemas/price_component_type_enumeration
- schemas/price_specification
- schemas/price_type_enumeration
- schemas/product
- schemas/product_collection
- schemas/product_group
- schemas/product_model
- schemas/professional_service
- schemas/profile_page
- schemas/program_membership
- schemas/project
- schemas/property
- schemas/property_value
- schemas/property_value_specification
- schemas/protein
- schemas/psychological_treatment
- schemas/public_swimming_pool
- schemas/public_toilet
- schemas/publication_event
- schemas/publication_issue
- schemas/publication_volume
- schemas/purchase_type
- schemas/qa_page
- schemas/qualitative_value
- schemas/quantitative_value
- schemas/quantitative_value_distribution
- schemas/quantity
- schemas/question
- schemas/quiz
- schemas/quotation
- schemas/quote_action
- schemas/radiation_therapy
- schemas/radio_broadcast_service
- schemas/radio_channel
- schemas/radio_clip
- schemas/radio_episode
- schemas/radio_season
- schemas/radio_series
- schemas/radio_station
- schemas/rating
- schemas/react_action
- schemas/read_action
- schemas/real_estate_agent
- schemas/real_estate_listing
- schemas/receive_action
- schemas/recipe
- schemas/recommendation
- schemas/recommended_dose_schedule
- schemas/recycling_center
- schemas/refund_type_enumeration
- schemas/register_action
- schemas/reject_action
- schemas/rent_action
- schemas/rental_car_reservation
- schemas/repayment_specification
- schemas/replace_action
- schemas/reply_action
- schemas/report
- schemas/reportage_news_article
- schemas/reported_dose_schedule
- schemas/research_organization
- schemas/research_project
- schemas/researcher
- schemas/reservation
- schemas/reservation_package
- schemas/reservation_status_type
- schemas/reserve_action
- schemas/reservoir
- schemas/reset_password_action
- schemas/residence
- schemas/resort
- schemas/restaurant
- schemas/restricted_diet
- schemas/resume_action
- schemas/return_action
- schemas/return_fees_enumeration
- schemas/return_label_source_enumeration
- schemas/return_method_enumeration
- schemas/review
- schemas/review_action
- schemas/review_news_article
- schemas/river_body_of_water
- schemas/role
- schemas/roofing_contractor
- schemas/room
- schemas/rsvp_action
- schemas/rsvp_response_type
- schemas/runtime_platform
- schemas/rv_park
- schemas/sale_event
- schemas/satirical_article
- schemas/schedule
- schemas/schedule_action
- schemas/schema_3d_model
- schemas/scholarly_article
- schemas/school
- schemas/school_district
- schemas/screening_event
- schemas/sculpture
- schemas/sea_body_of_water
- schemas/search_action
- schemas/search_rescue_organization
- schemas/search_results_page
- schemas/season
- schemas/seat
- schemas/seek_to_action
- schemas/self_storage
- schemas/sell_action
- schemas/send_action
- schemas/sequential_art
- schemas/series
- schemas/service
- schemas/service_channel
- schemas/service_period
- schemas/share_action
- schemas/sheet_music
- schemas/shipping_conditions
- schemas/shipping_delivery_time
- schemas/shipping_rate_settings
- schemas/shipping_service
- schemas/shoe_store
- schemas/shopping_center
- schemas/short_story
- schemas/single_family_residence
- schemas/site_navigation_element
- schemas/size_group_enumeration
- schemas/size_specification
- schemas/size_system_enumeration
- schemas/ski_resort
- schemas/social_event
- schemas/social_media_posting
- schemas/software_application
- schemas/software_source_code
- schemas/solve_math_action
- schemas/some_products
- schemas/speakable_specification
- schemas/special_announcement
- schemas/specialty
- schemas/sporting_goods_store
- schemas/sports_activity_location
- schemas/sports_club
- schemas/sports_event
- schemas/sports_organization
- schemas/sports_team
- schemas/spreadsheet_digital_document
- schemas/stadium_or_arena
- schemas/state
- schemas/statement
- schemas/statistical_population
- schemas/statistical_variable
- schemas/status_enumeration
- schemas/steering_position_value
- schemas/store
- schemas/structured_value
- schemas/subscribe_action
- schemas/substance
- schemas/subway_station
- schemas/suite
- schemas/superficial_anatomy
- schemas/surgical_procedure
- schemas/suspend_action
- schemas/syllabus
- schemas/synagogue
- schemas/table
- schemas/take_action
- schemas/tattoo_parlor
- schemas/taxi
- schemas/taxi_reservation
- schemas/taxi_service
- schemas/taxi_stand
- schemas/taxon
- schemas/tech_article
- schemas/television_channel
- schemas/television_station
- schemas/tennis_complex
- schemas/text_digital_document
- schemas/text_object
- schemas/theater_event
- schemas/theater_group
- schemas/therapeutic_procedure
- schemas/thesis
- schemas/thing
- schemas/ticket
- schemas/tie_action
- schemas/tier_benefit_enumeration
- schemas/tip_action
- schemas/tire_shop
- schemas/tourist_attraction
- schemas/tourist_destination
- schemas/tourist_information_center
- schemas/tourist_trip
- schemas/toy_store
- schemas/track_action
- schemas/trade_action
- schemas/train_reservation
- schemas/train_station
- schemas/train_trip
- schemas/transfer_action
- schemas/travel_action
- schemas/travel_agency
- schemas/treatment_indication
- schemas/trip
- schemas/tv_clip
- schemas/tv_episode
- schemas/tv_season
- schemas/tv_series
- schemas/type_and_quantity_node
- schemas/uk_nonprofit_type
- schemas/un_register_action
- schemas/unit_price_specification
- schemas/update_action
- schemas/us_nonprofit_type
- schemas/use_action
- schemas/user_blocks
- schemas/user_checkins
- schemas/user_comments
- schemas/user_downloads
- schemas/user_interaction
- schemas/user_likes
- schemas/user_page_visits
- schemas/user_plays
- schemas/user_plus_ones
- schemas/user_review
- schemas/user_tweets
- schemas/vacation_rental
- schemas/vehicle
- schemas/vein
- schemas/vessel
- schemas/veterinary_care
- schemas/video_gallery
- schemas/video_game
- schemas/video_game_clip
- schemas/video_game_series
- schemas/video_object
- schemas/video_object_snapshot
- schemas/view_action
- schemas/virtual_location
- schemas/visual_arts_event
- schemas/visual_artwork
- schemas/vital_sign
- schemas/volcano
- schemas/vote_action
- schemas/want_action
- schemas/warranty_promise
- schemas/warranty_scope
- schemas/watch_action
- schemas/waterfall
- schemas/wear_action
- schemas/wearable_measurement_type_enumeration
- schemas/wearable_size_group_enumeration
- schemas/wearable_size_system_enumeration
- schemas/web_api
- schemas/web_application
- schemas/web_content
- schemas/web_page
- schemas/web_page_element
- schemas/web_site
- schemas/wholesale_store
- schemas/win_action
- schemas/winery
- schemas/work_based_program
- schemas/workers_union
- schemas/wp_ad_block
- schemas/wp_footer
- schemas/wp_header
- schemas/wp_side_bar
- schemas/write_action
- schemas/zoo