LotImageUpdated
v0.0.1

Raised when a lot image's properties or metadata are updated in Azure Blob Storage and processed by the Auction Lot Image Pipeline.
When firing this event make sure you set the `correlationId` in the headers. Our schemas have standard metadata make sure you read and follow it.

Details

This event is triggered when blob properties or metadata are updated in Azure Blob Storage (Microsoft.Storage.BlobPropertiesUpdated / SetBlobProperties API). The message is published to the Service Bus topic sbt-lot-images-internal (subscription: blob-changefeed-lotImages) and consumed by the Cosmos DB writer.

Consumer / Producer Diagram

LotImageUpdated Schema (json)
{
  "$id": "https://example.com/LotImageUpdated.json",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "LotImageUpdated",
  "description": "An event raised when a lot image's properties or metadata are updated in Azure Blob Storage.",
  "type": "object",
  "required": ["id", "topic", "subject", "eventType", "eventTime", "data"],
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique identifier for the event."
    },
    "topic": {
      "type": "string",
      "description": "Full resource path of the event source (Azure Storage account resource URI)."
    },
    "subject": {
      "type": "string",
      "description": "Publisher-defined path to the blob, e.g. /blobServices/default/containers/{container}/blobs/{blobName}."
    },
    "eventType": {
      "type": "string",
      "description": "Type of event. Value: Microsoft.Storage.BlobPropertiesUpdated."
    },
    "eventTime": {
      "type": "string",
      "description": "The time the event was generated in UTC (ISO 8601 format)."
    },
    "dataVersion": {
      "type": "string",
      "description": "The schema version of the data object."
    },
    "metadataVersion": {
      "type": "string",
      "description": "The schema version of the event metadata."
    },
    "data": {
      "type": "object",
      "description": "Blob event data (BlobEventData).",
      "properties": {
        "api": {
          "type": "string",
          "description": "The API operation that triggered the event. Value: SetBlobProperties."
        },
        "requestId": {
          "type": "string",
          "description": "Service-generated request ID for the storage API operation."
        },
        "etag": {
          "type": "string",
          "description": "The value that you can use to conditionally perform operations."
        },
        "contentType": {
          "type": "string",
          "description": "The content type specified for the blob."
        },
        "contentLength": {
          "type": ["integer", "null"],
          "description": "The size of the blob in bytes."
        },
        "url": {
          "type": "string",
          "description": "The URL of the blob."
        },
        "sequencer": {
          "type": "string",
          "description": "An opaque string value representing the logical sequence of events for any particular blob name."
        }
      }
    },
    "eventMetadata": {
      "type": "object",
      "description": "Lot image metadata (BlobMetadataModel).",
      "properties": {
        "id": {
          "type": "string",
          "description": "Metadata record identifier."
        },
        "auctionGuid": {
          "type": "string",
          "description": "Globally unique identifier for the auction."
        },
        "auctionId": {
          "type": "string",
          "description": "Auction identifier."
        },
        "auctionNumber": {
          "type": "string",
          "description": "Auction number."
        },
        "lotId": {
          "type": "string",
          "description": "Lot identifier."
        },
        "lotGuid": {
          "type": "string",
          "description": "Globally unique identifier for the lot."
        },
        "lotNumberWithSuffix": {
          "type": "string",
          "description": "Lot number including any suffix (e.g. 1A)."
        },
        "lotTitle_en": {
          "type": "string",
          "description": "Lot title in English."
        },
        "lotTitle_zh_hant": {
          "type": "string",
          "description": "Lot title in Traditional Chinese."
        },
        "lotTitle_zh_hans": {
          "type": "string",
          "description": "Lot title in Simplified Chinese."
        },
        "extension": {
          "type": "string",
          "description": "File extension of the image (e.g. .jpg)."
        },
        "height": {
          "type": "string",
          "description": "Image height in pixels."
        },
        "width": {
          "type": "string",
          "description": "Image width in pixels."
        },
        "type": {
          "type": "string",
          "description": "Image type (e.g. master)."
        },
        "isPrimary": {
          "type": "string",
          "description": "Whether this is the primary image for the lot (true/false)."
        },
        "isDeleted": {
          "type": "string",
          "description": "Whether the image has been deleted (true/false)."
        },
        "imageHash": {
          "type": "string",
          "description": "Hash of the image content for deduplication."
        },
        "access": {
          "type": "string",
          "description": "Access level of the image (e.g. public)."
        },
        "restrictedCountries": {
          "type": "string",
          "description": "Comma-separated list of countries where the image is restricted."
        },
        "restrictionType": {
          "type": "string",
          "description": "Type of restriction applied to the image."
        },
        "originalFileName": {
          "type": "string",
          "description": "Original file name of the uploaded image."
        },
        "targetFileName": {
          "type": "string",
          "description": "Target file name used when storing the image in blob storage."
        },
        "lastUpdatedUtc": {
          "type": "string",
          "description": "The date and time the image metadata was last updated in UTC (ISO 8601 format)."
        }
      }
    }
  }
}
Edit this pageLast updated on 2026/5/8