# update.available_versions

TrueNAS versions available for update.

Type: object

##

Type: array
No Additional Items

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#### Result

Type: array of object

Array of available system update versions across all trains.

No Additional Items

##### Each item of this array must be:

#### UpdateAvailableVersion

Type: object
No Additional Properties

##

#### Train

Type: string

Train that provides this version.

##

#### UpdateStatusNewVersion

Type: object

Detailed information about this available version.

No Additional Properties

##

#### Version

Type: string

Newly available version number.

##

#### Manifest

Type: object

Object containing detailed version information and metadata.

##

#### Release Notes

Release notes.

## Any of

Type: string

Must be at most `2147483647` characters long

Type: null

##

#### Release Notes Url

Type: string

Release notes URL.

Must be at most `2147483647` characters long

Required roles: SYSTEM_UPDATE_READ