PlatformsFacebookBackground

CometModernHomeFeedQuery

Domainbackground
Kindquery
doc_id29152597714334312
Path/api/graphql/
SendsRELAY_INCREMENTAL_DELIVERY, connectionClass, experimentalValues, feedClientSession, feedEndCursor, feedInitialFetchSize, feedLocation, feedStyle, feedbackSource, focusCommentID, orderby, privacySelectorRenderLocation, recentVPVs, referringStoryRenderLocation, refreshMode, renderLocation, scale, shouldChangeBRSLabelFieldName, shouldObfuscateCategoryField, shouldUseBRSLabelFieldNameV1, shouldUseBRSLabelFieldNameV2, useDefaultActor, __relay_internal__pv__GHLShouldChangeSponsoredAuctionDistanceFieldNamerelayprovider, __relay_internal__pv__GHLShouldUseSponsoredAuctionLabelFieldNameV1relayprovider, __relay_internal__pv__GHLShouldUseSponsoredAuctionLabelFieldNameV2relayprovider, __relay_internal__pv__GHLShouldChangeSponsoredDataFieldNamerelayprovider, __relay_internal__pv__GHLShouldChangeAdIdFieldNamerelayprovider, __relay_internal__pv__CometAdsSlotFillLoggingEnabledrelayprovider, __relay_internal__pv__CometFeedStory_enable_reactor_facepilerelayprovider, __relay_internal__pv__CometFeedStory_enable_social_bubblesrelayprovider, __relay_internal__pv__CometFeedStory_enable_post_permalink_white_space_clickrelayprovider, __relay_internal__pv__CometUFICommentActionLinksRewriteEnabledrelayprovider, __relay_internal__pv__CometUFICommentAvatarStickerAnimatedImagerelayprovider, __relay_internal__pv__IsWorkUserrelayprovider, __relay_internal__pv__TestPilotShouldIncludeDemoAdUseCaserelayprovider, __relay_internal__pv__FBReels_deprecate_short_form_video_context_gkrelayprovider, __relay_internal__pv__CometUFI_dedicated_comment_routable_dialog_gkrelayprovider, __relay_internal__pv__FBReels_enable_view_dubbed_audio_type_gkrelayprovider, __relay_internal__pv__CometFeedShareMedia_shouldPrefetchShareImagerelayprovider, __relay_internal__pv__CometImmersivePhotoCanUserDisable3DMotionrelayprovider, __relay_internal__pv__WorkCometIsEmployeeGKProviderrelayprovider, __relay_internal__pv__IsMergQAPollsrelayprovider, __relay_internal__pv__FBReelsMediaFooter_comet_enable_reels_ads_gkrelayprovider, __relay_internal__pv__CometUFIReactionsEnableShortNamerelayprovider, __relay_internal__pv__CometUFICommentAutoTranslationTyperelayprovider, __relay_internal__pv__CometUFIShareActionMigrationrelayprovider, __relay_internal__pv__CometUFISingleLineUFIrelayprovider, __relay_internal__pv__relay_provider_comet_ufi_ssr_seo_deferrelayprovider, __relay_internal__pv__FBReelsIFUTileContent_reelsIFUPlayOnHoverrelayprovider, __relay_internal__pv__GroupsCometGYSJFeedItemHeightrelayprovider, __relay_internal__pv__StoriesShouldEnablePhotosensitiveContentWarningrelayprovider, __relay_internal__pv__ShouldEnableBakedInTextStoriesrelayprovider, __relay_internal__pv__StoriesShouldIncludeFbNotesrelayprovider
Readsviewer....CometNewsFeed_viewerConnection, viewer....CometNewsFeed_viewer
Called fromCometModernHomeFeed.react
reaev_da1ad268ca4313684c468a445e5871c03800873299ca1b002b8c950ea0b4fff9

Seen 26 time(s) in 18 run(s).

ActionOur stepTimesStatusTookAfter step startErrors
warmupstep 7: goto /marketplace/12003005 ms13560 ms—
warmupstep 15: goto /marketplace/12003128 ms12028 ms—
warmupstep 4: goto /marketplace/12002579 ms7044 ms—
warmupstep 11: goto /marketplace/22003025–3899 ms8602–15100 ms—
warmupstep 17: goto /marketplace/12002931 ms12038 ms—
inspectstep 24: clickRole button "…"12002948 ms1258004 ms—
inspectstep 3: clickRole button "…"12002988 ms5480 ms—
inspectstep 71: dwell 1s12003485 ms8254 ms—
inspectstep 4: snapshot12003390 ms335 ms—
inspectstep 5: goto /marketplace/create/item12003090 ms6667 ms—
inspectstep 5: wait 5s12005114 ms103686 ms—
inspectstep 2: goto /marketplace/you/selling12004065 ms5691 ms—
inspectstep 4: goto /marketplace/inbox12003883 ms558511 ms—
inspectstep 3: goto /marketplace/inbox12004472 ms59455 ms—
inspectstep 5: goto /marketplace/you/selling12003384 ms11536 ms—
inspectstep 6: goto /marketplace/inbox12004442 ms1708095 ms—
inspectopenAny: read /marketplace/item/<id>/12003647 ms15206 ms—
warmupstep 14: goto /marketplace/12002362 ms7187 ms—
inspectscroll: +386px in 10 wheel steps, 531 ms12003658 ms18334 ms—
hostexpected ProfileCometProfilePictureSetMutation: sent12004431 ms45795 ms—
hostsetLocation: 'Mountain Top, Pennsylvania' is suggestion 2 of 912003483 ms219881 ms—
inspectstep 1: goto /marketplace/status12007960 ms12030 ms—
inspectstep 4: goto /marketplace/status12003208 ms9206 ms—
hoststep 32: goto /marketplace/12002469 ms12646 ms—
hoststep 38: goto /marketplace/you/selling12002945 ms17036 ms—

What it sent and what came back (the newest 2 from our runs)

Read from each run's own recording (rule 73), secrets and signed link tokens taken out. Kept in ~/.logCli/rea/clientFacts.json, so it stays after the run is pruned.

runs/host/20261026T180628_61594285317994, step 32: goto /marketplace/: 200, 2469 ms

Sent:

{
  "fb_api_caller_class": "RelayModern",
  "fb_api_req_friendly_name": "CometModernHomeFeedQuery",
  "server_timestamps": "true",
  "variables": {
    "RELAY_INCREMENTAL_DELIVERY": true,
    "connectionClass": "EXCELLENT",
    "feedbackSource": 1,
    "feedInitialFetchSize": 4,
    "feedLocation": "NEWSFEED",
    "feedStyle": "DEFAULT",
    "orderby": [
      "TOP_STORIES"
    ],
    "privacySelectorRenderLocation": "COMET_STREAM",
    "recentVPVs": [],
    "refreshMode": "COLD_START",
    "renderLocation": "homepage_stream",
    "scale": 1,
    "shouldChangeBRSLabelFieldName": false,
    "shouldObfuscateCategoryField": true,
    "shouldUseBRSLabelFieldNameV1": false,
    "shouldUseBRSLabelFieldNameV2": false,
    "useDefaultActor": false,
    "__relay_internal__pv__GHLShouldChangeSponsoredAuctionDistanceFieldNamerelayprovider": true,
    "__relay_internal__pv__GHLShouldUseSponsoredAuctionLabelFieldNameV1relayprovider": true,
    "__relay_internal__pv__GHLShouldUseSponsoredAuctionLabelFieldNameV2relayprovider": false,
    "__relay_internal__pv__GHLShouldChangeSponsoredDataFieldNamerelayprovider": true,
    "__relay_internal__pv__GHLShouldChangeAdIdFieldNamerelayprovider": true,
    "__relay_internal__pv__CometAdsSlotFillLoggingEnabledrelayprovider": true,
    "__relay_internal__pv__CometFeedStory_enable_reactor_facepilerelayprovider": false,
    "__relay_internal__pv__CometFeedStory_enable_social_bubblesrelayprovider": false,
    "__relay_internal__pv__CometFeedStory_enable_post_permalink_white_space_clickrelayprovider": false,
    "__relay_internal__pv__CometUFICommentActionLinksRewriteEnabledrelayprovider": true,
    "__relay_internal__pv__CometUFICommentAvatarStickerAnimatedImagerelayprovider": false,
    "__relay_internal__pv__IsWorkUserrelayprovider": false,
    "__relay_internal__pv__TestPilotShouldIncludeDemoAdUseCaserelayprovider": false,
    "__relay_internal__pv__FBReels_deprecate_short_form_video_context_gkrelayprovider": true,
    "__relay_internal__pv__CometUFI_dedicated_comment_routable_dialog_gkrelayprovider": true,
    "__relay_internal__pv__FBReels_enable_view_dubbed_audio_type_gkrelayprovider": true,
    "__relay_internal__pv__CometFeedShareMedia_shouldPrefetchShareImagerelayprovider": true,
    "__relay_internal__pv__CometImmersivePhotoCanUserDisable3DMotionrelayprovider": false,
    "__relay_internal__pv__WorkCometIsEmployeeGKProviderrelayprovider": false,
    "__relay_internal__pv__IsMergQAPollsrelayprovider": false,
    "__relay_internal__pv__FBReelsMediaFooter_comet_enable_reels_ads_gkrelayprovider": true,
    "__relay_internal__pv__CometUFIReactionsEnableShortNamerelayprovider": false,
    "__relay_internal__pv__CometUFICommentAutoTranslationTyperelayprovider": "AUTO_TRANSLATE",
    "__relay_internal__pv__CometUFIShareActionMigrationrelayprovider": true,
    "__relay_internal__pv__CometUFISingleLineUFIrelayprovider": true,
    "__relay_internal__pv__relay_provider_comet_ufi_ssr_seo_deferrelayprovider": true,
    "__relay_internal__pv__FBReelsIFUTileContent_reelsIFUPlayOnHoverrelayprovider": true,
    "__relay_internal__pv__GroupsCometGYSJFeedItemHeightrelayprovider": 206,
    "__relay_internal__pv__StoriesShouldEnablePhotosensitiveContentWarningrelayprovider": false,
    "__relay_internal__pv__ShouldEnableBakedInTextStoriesrelayprovider": false,
    "__relay_internal__pv__StoriesShouldIncludeFbNotesrelayprovider": true
  },
  "doc_id": "29152597714334312"
}

Answered:

{
  "first": {
    "data": {
      "viewer": {
        "news_feed": {
          "edges": "(1 items)"
        },
        "actor": {
          "__typename": "User",
          "name": "Halima Ndjzn",
          "id": "61594285317994"
        },
        "can_have_friends": true,
        "all_friends": {
          "friend_count": 0
        },
        "is_fb_employee": false,
        "rack_qrt_called_during_first_story": false,
        "injected_stories": null
      }
    },
    "extensions": {
      "prefetch_uris_v2": [
        {
          "uri": "https://scontent.fyvr4-1.fna.fbcdn.net/v/t39.30808-1/760434761_27873855612276295_9047649971810608122_n.jpg (467 chars)",
          "label": null,
          "width": null,
          "height": null,
          "surface": null
        },
        {
          "uri": "https://scontent.fyvr3-1.fna.fbcdn.net/v/t39.30808-6/861069674_28938005685861277_3550473545109325617_n.jpg (467 chars)",
          "label": null,
          "width": 680,
          "height": null,
          "surface": "comet_home_feed_image"
        }
      ],
      "server_metadata": {
        "request_start_time_ms": 1793038330981,
        "time_at_flush_ms": 1793038332547
      },
      "is_final": false,
      "sr_payload": {
        "ddd": {
          "hsrp": "(2 fields)",
          "jsmods": "(3 fields)",
          "allResources": "(7 items)",
          "tieredResources": "(3 fields)"
        }
      }
    }
  },
  "followingParts": 18,
  "parts": [
    {
      "label": "CometNewsFeed_viewerConnection$stream$CometNewsFeed_viewer_news_feed",
      "path": [
        "viewer",
        "news_feed",
        "edges",
        1
      ],
      "data": {
        "brs_content_label": null,
        "cat_sensitive": {
          "enc": null,
          "cat": "FB_SHORTS"
        },
        "deduplication_key": "-9057986082811160850",
        "min_gap_type_index_string": "12",
        "sposnsor_new_distac_action": null,
        "top_story_cache_score": 0,
        "is_ad_eligible_for_ad_pod": false,
        "node": {
          "__typename": "ShowcaseFeedUnit",
          "__isNode": "ShowcaseFeedUnit",
          "id": "UzpfSVNob3djYXNlX1NGVjoyOmVKeXRsMTFRRTFjVXgvZnVocWdFV3JSazFWeG1XanRUcDYzQjJXeXltNnd2blRxYUVSOTRzVS9hbVF6R1pLUmpnVUYwYWgrWTJBKzA2UnF0MmlSOEZCVVJJNGtwS3ZXN2dhWVpiRFBVYW9ZeVNQRmpGQm1sdUNLbEtYN1VkbmF6ZHhPbVBIU2d5VXZ5UCtmbW52Lzl6Ymw3UWg1dVBqUjB3WHVtL1NsNGd5ZUhlaUsrWS91Zm5pQzBhdkw4cnZpWnVLdUFkTmVPSGM5ZGttTU56YzBKdkV6M0w0cGM4STJHUG5WblhYbWxadFZKTzM3NWxmYXNSTVhOMGNQUGs3N09tbWJRVTZIOGlKY0hlTElvdXowQjhKcDZn… (2936 chars)",
          "__isFeedUnit": "ShowcaseFeedUnit",
          "tracking": "{\"qid\":\"-5910552709473123613\",\"mf_story_key\":\"-9057986082811160850\",\"filter\":\"h_nor\",\"sty\":1445,\"story_set_type\":25,\"mf_objid\":\"122149493901088051\",\"viewstate_id\":\"-9057986082811160850\",\"pos\":2,\"partial_response_callsite_id\":-1,\"actrs\":\"61582641546077\",\"fb_shorts_surface\":\"FBShorts_SurfaceType::IFU_TRAY\",\"fb_shorts_ifu_tray_index\":1,\"fb_shorts_ifu_tray_position\":2,\"feed_unified_request_id\":\"-59105… (446 chars)",
          "debug_info": null,
          "showcase_story_type": "SHOWCASE_SHORT_VIDEO",
          "showcase_item": "(6 items)",
          "__module_operation_CometFeedUnitContainerSection_feedUnit": "(1 fields)",
          "__module_component_CometFeedUnitContainerSection_feedUnit": "(1 fields)",
          "__isTrackableFeedUnit": "ShowcaseFeedUnit",
          "trackingdata": "(1 fields)"
        },
        "feed_backend_data": {
          "qid": "-5910552709473123613",
          "original_qid": "-5910552709473123613",
          "vsid": "-9057986082811160850",
          "vspos": 2,
          "should_recent_vpv_fetch_tracking_data": false,
          "serialized_payloads": "GwZGGubUvpeplPuxA8YB4F3sATL8AxjCAcoWtAMGGwFIwAEEbm9uZRsDSbbmAwbe5gMGhOcDBgA="
        },
        "cursor": "FQQVAhsBXAIVBBhcTVRjNU16QXpPRE16TURveE56a3pNRE00TXpNd09qSTZMVGt3TlRjNU9EWXdPREk0TVRFeE5qQTROVEE2TURvdE5Ua3hNRFUxTWpjd09UUTNNekV5TXpZeE16bz0AGwJVHAIYBBUAAA=="
      },
      "extensions": {
        "prefetch_uris_v2": [
          "(5 fields)",
          "(5 fields)",
          "(5 fields)",
          "(5 fields)",
          "(5 fields)",
          "(5 fields)"
        ],
        "all_video_dash_prefetch_representations": [
          "(4 fields)",
          "(4 fields)",
          "(4 fields)",
          "(4 fields)",
          "(4 fields)",
          "(4 fields)"
        ],
        "is_final": false,
        "sr_payload": {
          "ddd": "(4 fields)"
        }
      }
    },
    {
      "label": "VideoPlayerRelay_video$defer$InstreamVideoAdBreaksPlayer_video",
      "path": [
        "viewer",
        "news_feed",
        "edges",
        1,
        "node",
        "showcase_item",
        "… 6 more"
      ],
      "data": {
        "id": "2204102610505702",
        "instream_extra_config": {
          "instream_halo_delay_time_seconds": 10
        },
        "instream_video_ad_breaks_comet": null
      },
      "extensions": {
        "prefetch_uris_v2": [
          "(5 fields)",
          "(5 fields)",
          "(5 fields)",
          "(5 fields)",
          "(5 fields)",
          "(5 fields)"
        ],
        "all_video_dash_prefetch_representations": [
          "(4 fields)",
          "(4 fields)",
          "(4 fields)",
          "(4 fields)",
          "(4 fields)",
          "(4 fields)"
        ],
        "is_final": false
      }
    },
    {
      "label": "VideoPlayerRelay_video$defer$InstreamVideoAdBreaksPlayer_video",
      "path": [
        "viewer",
        "news_feed",
        "edges",
        1,
        "node",
        "showcase_item",
        "… 6 more"
      ],
      "data": {
        "id": "2675229056239717",
        "instream_extra_config": {
          "instream_halo_delay_time_seconds": 21
        },
        "instream_video_ad_breaks_comet": null
      },
      "extensions": {
        "prefetch_uris_v2": [
          "(5 fields)",
          "(5 fields)",
          "(5 fields)",
          "(5 fields)",
          "(5 fields)",
          "(5 fields)"
        ],
        "all_video_dash_prefetch_representations": [
          "(4 fields)",
          "(4 fields)",
          "(4 fields)",
          "(4 fields)",
          "(4 fields)",
          "(4 fields)"
        ],
        "is_final": false
      }
    }
  ]
}

runs/host/20261026T180628_61594285317994, step 38: goto /marketplace/you/selling: 200, 2945 ms

Sent:

{
  "fb_api_caller_class": "RelayModern",
  "fb_api_req_friendly_name": "CometModernHomeFeedQuery",
  "server_timestamps": "true",
  "variables": {
    "RELAY_INCREMENTAL_DELIVERY": true,
    "connectionClass": "EXCELLENT",
    "feedbackSource": 1,
    "feedInitialFetchSize": 4,
    "feedLocation": "NEWSFEED",
    "feedStyle": "DEFAULT",
    "orderby": [
      "TOP_STORIES"
    ],
    "privacySelectorRenderLocation": "COMET_STREAM",
    "recentVPVs": [],
    "refreshMode": "COLD_START",
    "renderLocation": "homepage_stream",
    "scale": 1,
    "shouldChangeBRSLabelFieldName": false,
    "shouldObfuscateCategoryField": true,
    "shouldUseBRSLabelFieldNameV1": false,
    "shouldUseBRSLabelFieldNameV2": false,
    "useDefaultActor": false,
    "__relay_internal__pv__GHLShouldChangeSponsoredAuctionDistanceFieldNamerelayprovider": true,
    "__relay_internal__pv__GHLShouldUseSponsoredAuctionLabelFieldNameV1relayprovider": true,
    "__relay_internal__pv__GHLShouldUseSponsoredAuctionLabelFieldNameV2relayprovider": false,
    "__relay_internal__pv__GHLShouldChangeSponsoredDataFieldNamerelayprovider": true,
    "__relay_internal__pv__GHLShouldChangeAdIdFieldNamerelayprovider": true,
    "__relay_internal__pv__CometAdsSlotFillLoggingEnabledrelayprovider": true,
    "__relay_internal__pv__CometFeedStory_enable_reactor_facepilerelayprovider": false,
    "__relay_internal__pv__CometFeedStory_enable_social_bubblesrelayprovider": false,
    "__relay_internal__pv__CometFeedStory_enable_post_permalink_white_space_clickrelayprovider": false,
    "__relay_internal__pv__CometUFICommentActionLinksRewriteEnabledrelayprovider": true,
    "__relay_internal__pv__CometUFICommentAvatarStickerAnimatedImagerelayprovider": false,
    "__relay_internal__pv__IsWorkUserrelayprovider": false,
    "__relay_internal__pv__TestPilotShouldIncludeDemoAdUseCaserelayprovider": false,
    "__relay_internal__pv__FBReels_deprecate_short_form_video_context_gkrelayprovider": true,
    "__relay_internal__pv__CometUFI_dedicated_comment_routable_dialog_gkrelayprovider": true,
    "__relay_internal__pv__FBReels_enable_view_dubbed_audio_type_gkrelayprovider": true,
    "__relay_internal__pv__CometFeedShareMedia_shouldPrefetchShareImagerelayprovider": true,
    "__relay_internal__pv__CometImmersivePhotoCanUserDisable3DMotionrelayprovider": false,
    "__relay_internal__pv__WorkCometIsEmployeeGKProviderrelayprovider": false,
    "__relay_internal__pv__IsMergQAPollsrelayprovider": false,
    "__relay_internal__pv__FBReelsMediaFooter_comet_enable_reels_ads_gkrelayprovider": true,
    "__relay_internal__pv__CometUFIReactionsEnableShortNamerelayprovider": false,
    "__relay_internal__pv__CometUFICommentAutoTranslationTyperelayprovider": "AUTO_TRANSLATE",
    "__relay_internal__pv__CometUFIShareActionMigrationrelayprovider": true,
    "__relay_internal__pv__CometUFISingleLineUFIrelayprovider": true,
    "__relay_internal__pv__relay_provider_comet_ufi_ssr_seo_deferrelayprovider": true,
    "__relay_internal__pv__FBReelsIFUTileContent_reelsIFUPlayOnHoverrelayprovider": true,
    "__relay_internal__pv__GroupsCometGYSJFeedItemHeightrelayprovider": 206,
    "__relay_internal__pv__StoriesShouldEnablePhotosensitiveContentWarningrelayprovider": false,
    "__relay_internal__pv__ShouldEnableBakedInTextStoriesrelayprovider": false,
    "__relay_internal__pv__StoriesShouldIncludeFbNotesrelayprovider": true
  },
  "doc_id": "29152597714334312"
}

Answered:

{
  "first": {
    "data": {
      "viewer": {
        "news_feed": {
          "edges": "(1 items)"
        },
        "actor": {
          "__typename": "User",
          "name": "Halima Ndjzn",
          "id": "61594285317994"
        },
        "can_have_friends": true,
        "all_friends": {
          "friend_count": 0
        },
        "is_fb_employee": false,
        "rack_qrt_called_during_first_story": false,
        "injected_stories": null
      }
    },
    "extensions": {
      "prefetch_uris_v2": [
        {
          "uri": "https://scontent.fyvr4-1.fna.fbcdn.net/v/t39.30808-1/801938798_10234805655190677_717144495667367879_n.jpg (438 chars)",
          "label": null,
          "width": null,
          "height": null,
          "surface": null
        },
        {
          "uri": "https://scontent.fyvr3-1.fna.fbcdn.net/v/t39.99422-6/861811071_1355638166481948_8168384254718414366_n.png (466 chars)",
          "label": null,
          "width": 680,
          "height": null,
          "surface": "comet_home_feed_image"
        }
      ],
      "server_metadata": {
        "request_start_time_ms": 1793038436445,
        "time_at_flush_ms": 1793038438295
      },
      "is_final": false,
      "sr_payload": {
        "ddd": {
          "hsrp": "(2 fields)",
          "jsmods": "(3 fields)",
          "allResources": "(7 items)",
          "tieredResources": "(3 fields)"
        }
      }
    }
  },
  "followingParts": 18,
  "parts": [
    {
      "label": "CometNewsFeed_viewerConnection$stream$CometNewsFeed_viewer_news_feed",
      "path": [
        "viewer",
        "news_feed",
        "edges",
        1
      ],
      "data": {
        "brs_content_label": null,
        "cat_sensitive": {
          "enc": null,
          "cat": "FB_SHORTS"
        },
        "deduplication_key": "4013517879834734671",
        "min_gap_type_index_string": "12",
        "sposnsor_new_distac_action": null,
        "top_story_cache_score": 0,
        "is_ad_eligible_for_ad_pod": false,
        "node": {
          "__typename": "ShowcaseFeedUnit",
          "__isNode": "ShowcaseFeedUnit",
          "id": "UzpfSVNob3djYXNlX1NGVjoyOmVKeWRsbjlNVTFjVXg5OTlyeTNLZ3cwTmZXZ3Z5WFJ4eGgvRjlEYzgvOW1QYUFkbThZKzV2OVNrMGRwR2xna0VkWm43ZzlUcG1IcytPcWY0S09oUUNXS2wyRUNIVEVVTE5wMWlRL3pCQ0dQTTZLYklBTXVqSW1PSVpsdmU2N3NQbUN3aGxuL0s5NTU3ejdtZmMrNDVwU3F2L3ZTMC8xWXNrTCtjcFpwNnl4dTZlNTRvMVNwcXNPTit1NjhsZytwMS8za3VlZVZjYTkwOG5mY05RODlpcktOZ1gvVEhyOGFHTHhkWGc4NEN0SU5qQVQ2V2s5allBZkRpWXdDSGVQYTFZbnpqT3IzUnBMWG96YlRKa0dVMjZqTnAy… (2764 chars)",
          "__isFeedUnit": "ShowcaseFeedUnit",
          "tracking": "{\"qid\":\"-5910545425283849419\",\"mf_story_key\":\"4013517879834734671\",\"filter\":\"h_nor\",\"sty\":1445,\"story_set_type\":25,\"mf_objid\":\"1657422562408731\",\"viewstate_id\":\"4013517879834734671\",\"pos\":2,\"partial_response_callsite_id\":-1,\"actrs\":\"100044230096053\",\"fb_shorts_surface\":\"FBShorts_SurfaceType::IFU_TRAY\",\"fb_shorts_ifu_tray_index\":1,\"fb_shorts_ifu_tray_position\":2,\"feed_unified_request_id\":\"-59105454… (443 chars)",
          "debug_info": null,
          "showcase_story_type": "SHOWCASE_SHORT_VIDEO",
          "showcase_item": "(6 items)",
          "__module_operation_CometFeedUnitContainerSection_feedUnit": "(1 fields)",
          "__module_component_CometFeedUnitContainerSection_feedUnit": "(1 fields)",
          "__isTrackableFeedUnit": "ShowcaseFeedUnit",
          "trackingdata": "(1 fields)"
        },
        "feed_backend_data": {
          "qid": "-5910545425283849419",
          "original_qid": "-5910545425283849419",
          "vsid": "4013517879834734671",
          "vspos": 2,
          "should_recent_vpv_fetch_tracking_data": false,
          "serialized_payloads": "GwZGGrbkmbHY2vEFxgGA9wLsATL8AxjCAcoWtAMGGwFIwAEEbm9uZRsDSbbmAwbe5gMGhOcDBgA="
        },
        "cursor": "FQQVAhsBXAIVBBhcTVRjNU16QXpPRFF6TmpveE56a3pNRE00TkRNMk9qSTZOREF4TXpVeE56ZzNPVGd6TkRjek5EWTNNVG93T2kwMU9URXdOVFExTkRJMU1qZ3pPRFE1TkRFNU9nPT0AGwJVHAIYBBUAAA=="
      },
      "extensions": {
        "prefetch_uris_v2": [
          "(5 fields)",
          "(5 fields)",
          "(5 fields)",
          "(5 fields)",
          "(5 fields)",
          "(5 fields)"
        ],
        "all_video_dash_prefetch_representations": [
          "(4 fields)",
          "(4 fields)",
          "(4 fields)",
          "(4 fields)",
          "(4 fields)",
          "(4 fields)"
        ],
        "is_final": false,
        "sr_payload": {
          "ddd": "(4 fields)"
        }
      }
    },
    {
      "label": "VideoPlayerRelay_video$defer$InstreamVideoAdBreaksPlayer_video",
      "path": [
        "viewer",
        "news_feed",
        "edges",
        1,
        "node",
        "showcase_item",
        "… 6 more"
      ],
      "data": {
        "id": "2204102610505702",
        "instream_extra_config": {
          "instream_halo_delay_time_seconds": 10
        },
        "instream_video_ad_breaks_comet": null
      },
      "extensions": {
        "prefetch_uris_v2": [
          "(5 fields)",
          "(5 fields)",
          "(5 fields)",
          "(5 fields)",
          "(5 fields)",
          "(5 fields)"
        ],
        "all_video_dash_prefetch_representations": [
          "(4 fields)",
          "(4 fields)",
          "(4 fields)",
          "(4 fields)",
          "(4 fields)",
          "(4 fields)"
        ],
        "is_final": false
      }
    },
    {
      "label": "VideoPlayerRelay_video$defer$InstreamVideoAdBreaksPlayer_video",
      "path": [
        "viewer",
        "news_feed",
        "edges",
        1,
        "node",
        "showcase_item",
        "… 6 more"
      ],
      "data": {
        "id": "1035027539463897",
        "instream_extra_config": {
          "instream_halo_delay_time_seconds": 15000
        },
        "instream_video_ad_breaks_comet": {
          "mid_rolls": "(2 items)",
          "pre_roll": null,
          "__module_operation_InstreamVideoAdBreaksPlayer_video_instream_video_ad_breaks_comet": "(1 fields)",
          "__module_component_InstreamVideoAdBreaksPlayer_video_instream_video_ad_breaks_comet": "(1 fields)"
        }
      },
      "extensions": {
        "prefetch_uris_v2": [
          "(5 fields)",
          "(5 fields)",
          "(5 fields)",
          "(5 fields)",
          "(5 fields)",
          "(5 fields)"
        ],
        "all_video_dash_prefetch_representations": [
          "(4 fields)",
          "(4 fields)",
          "(4 fields)",
          "(4 fields)",
          "(4 fields)",
          "(4 fields)"
        ],
        "is_final": false,
        "sr_payload": {
          "ddd": "(4 fields)"
        }
      }
    }
  ]
}

What it does

The home feed's first stories.

What our machine does with it

Nothing. It is part of the page around our flow; no state of marketplace/connect or marketplace/publish waits for it or reads it.

What can go wrong

Nothing for our flow. Watch it only for change: if it disappears from a page where it always loads, or starts returning errors, the page did not load normally, and that is worth reading back (rule 25).