1. Types
2. content
3. library
4. item

## content library item: update session model

The `update_session_model` structure provides information on an active content.library.item.update_session resource.

### Representations:

- JSON
- XML

{
"client_progress": 1,
"error_message": {
"args": [
"string",
"string"
],
"default_message": "string",
"id": "string"
},
"expiration_time": "2015-01-01T22:13:05.651Z",
"id": "obj-103",
"library_item_content_version": "string",
"library_item_id": "obj-103",
"state": "ACTIVE"
}
<?xml version="1.0" ?>
<ns0:UpdateSessionModel xmlns:ns0="http://vmware.com/content/library/item" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<id>obj-103</id>
<library_item_id>obj-103</library_item_id>
<client_progress>1</client_progress>
<error_message>
<default_message>string</default_message>
<id>string</id>
<args-array>
<array-item>string</array-item>
<array-item>string</array-item>
</args-array>
</error_message>
<state>ACTIVE</state>
<expiration_time>2015-01-01T22:13:05.651Z</expiration_time>
<library_item_content_version>string</library_item_content_version>
</ns0:UpdateSessionModel>

#### Attributes:

Name | Type | Description
--- | --- | ---
Optional
id | string | The identifier of this update session. Optional. This field is not used for the `create` operation. It will not be present in the result of the `get` or `list` operations. It is not used for the `update` operation.When clients pass a value of this structure as a parameter, the field must be an identifier for the resource type: `com.vmware.content.library.item.UpdateSession`. When operations return a value of this structure as a result, the field will be an identifier for the resource type: `com.vmware.content.library.item.UpdateSession`.
library_item_id | string | The identifier of the library item to which content will be uploaded or removed. Optional. This field must be provided for the `create` operation. It will always be present in the result of the `get` or `list` operations. It is not used for the `update` operation.When clients pass a value of this structure as a parameter, the field must be an identifier for the resource type: `com.vmware.content.library.Item`. When operations return a value of this structure as a result, the field will be an identifier for the resource type: `com.vmware.content.library.Item`.
library_item_content_version | string | The content version of the library item whose content is being modified. This value is the content.library.item_model.content_version at the time when the session is created for the library item. Optional. This field is not used for the `create` operation. It will always be present in the result of the `get` or `list` operations. It is not used for the `update` operation.
error_message | localizable_message | If the session is in the ERROR status this property will have more details about the error. Optional. This field is not used for the `create` operation. It is optional in the result of the `get` or `list` operations. It is not used for the `update` operation.
client_progress | long | The progress that has been made with the upload. This property is to be updated by the client during the upload process to indicate the progress of its work in completing the upload. The initial progress is 0 until updated by the client. The maximum value is 100, which indicates that the update is complete. Optional. This field is not used for the `create` operation. It will always be present in the result of the `get` or `list` operations. It is not used for the `update` operation.
state | string | The current state (`ACTIVE`, `DONE`, `ERROR`, `CANCELED`) of the update session. The state of an update session. Value is one of: ACTIVE: The session is currently active. This is the initial state when the session is created. Files may be uploaded by the client or pulled by the Content Library Service at this stage. DONE: The session is done and all its effects are now visible. ERROR: There was an error during the session. CANCELED: The session has been canceled.Optional. This field is not used for the `create` operation. It will always be present in the result of the `get` or `list` operations. It is not used for the `update` operation.
expiration_time | date_time | Indicates the time after which the session will expire. The session is guaranteed not to expire earlier than this time. Optional. This field is not used for the `create` operation. It will always be present in the result of the `get` or `list` operations. It is not used for the `update` operation.