# update.download

Download updates.

This method is a job.

Type: object

##

Type: array
No Additional Items

#### Tuple Validation

##### Parameter 1: train

#### train

Default: null

Specifies the train from which to download the update. If both `train` and `version` are `null``, the most recent version that matches the currently selected update profile is used.

## Any of

Type: string
Type: null

##### Parameter 2: version

#### version

Default: null

Specific version to download. `null` to download the latest version from the specified train.

## Any of

Type: string
Type: null

##

#### Result

Type: boolean

Whether the update download was successfully initiated.

Required roles: SYSTEM_UPDATE_WRITE