Attachment Infos (Feature Service)

URL:: https://<root>/<serviceName>/FeatureServer/<layerId>/<featureId>/attachments
Methods:: GET
Required Capability:: Query
Version Introduced:: 10.0

Description

The attachmentInfos resource returns information about attachments associated with a feature. This resource is available only if the layer has advertised that it has attachments. A layer has attachments if its hasAttachments property is true .

Each attachment info includes information about the attachment such as its ID, content type, size, and name.

The attachmentInfos resource has the following one child resource:

Attachment—Streams the content of an individual attachment.

Request parameters

Parameter	Details
`gdbVersion`	The geodatabase version to query. This parameter applies only if the `isDataVersioned` property of the layer is `true` . If this is not specified, the query will apply to the published map’s version. Syntax: `gdbVersion=<version>` Example: `gdbVersion=SDE.DEFAULT`
`historicMoment`	This option was added at 10.5 and works with ArcGIS Server services only. The historic moment to query. This parameter applies only if the `supportsQueryWithHistoricMoment` property of the layer being queried is set to `true` . This setting is provided in the layer resource. If `historicMoment` is not specified, the query will apply to the current feature and its attachments. Syntax Use dark colors for code blocksCopy `1 historicMoment=<Epoch time in milliseconds>` Example Use dark colors for code blocksCopy `1 historicMoment=1199145600000`
`returnMetadata`	If `true` , metadata stored in the `exifInfo` column will be returned for attachments that have `exifInfo` . This option is only supported when `"name": "exifInfo"` in the layer's `attachmentProperties` includes `"isEnabled": true` . When set to `false` , or not set, null is returned for `exifInfo` . The default is `false` . Values: `true` \| `false`
`f`	The response format. The default response format is `html` . Values: `html` \| `json` \| `pjson`

Example usage

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https://services.myserver.com/ArcGIS/rest/services/SanFrancisco/311Incidents/FeatureServer/0/818654/attachments

JSON response syntax

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{
  "attachmentInfos": [
    {
      "id": <attachmentId1>,
      "contentType": "<contentType1>",
      "size": <size1>,
      "name": "<name1>"
    },
    {
      "id": <attachmentId2>,
      "contentType": "<contentType2>",
      "size": <size2>,
      "name": "<name2>"
    }
  ]
}

JSON response example

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{
  "attachmentInfos": [
    {
      "id": 3,
      "contentType": "video/quicktime",
      "size": 397540,
      "name": "360 degree view"
    },
    {
      "id": 2,
      "contentType": "application/pdf",
      "size": 270133,
      "name": "Sales Deed"
    },
    {
      "id": 1,
      "contentType": "image/jpg",
      "size": 45325,
      "name": "Picture of the house"
    }
  ]
}