<!--
{
  "availability" : [
    "iOS: 26.0.0 -",
    "iPadOS: 26.0.0 -",
    "macCatalyst: -"
  ],
  "documentType" : "symbol",
  "framework" : "IdentityDocumentServices",
  "identifier" : "/documentation/IdentityDocumentServices/MobileDocumentRegistration",
  "metadataVersion" : "0.1.0",
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    "modules" : [
      "IdentityDocumentServices"
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    "preciseIdentifier" : "s:24IdentityDocumentServices06MobileB12RegistrationV"
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  "title" : "MobileDocumentRegistration"
}
-->

# MobileDocumentRegistration

A type you use to register mobile documents.

```
struct MobileDocumentRegistration
```

## Overview

Mobile documents, or “mdocs”, are a document format defined in ISO 18013-5.

## Topics

### Initializers

[`init(mobileDocumentType: String, supportedAuthorityKeyIdentifiers: [Data], documentIdentifier: String, invalidationDate: Date?)`](/documentation/IdentityDocumentServices/MobileDocumentRegistration/init(mobileDocumentType:supportedAuthorityKeyIdentifiers:documentIdentifier:invalidationDate:))

Initializes a mobile document registration.

[`init(mobileDocumentType: String, supportedIssuerKeyIdentifiers: [Data], supportedAuthorityKeyIdentifiers: [Data], documentIdentifier: String, invalidationDate: Date?)`](/documentation/IdentityDocumentServices/MobileDocumentRegistration/init(mobileDocumentType:supportedIssuerKeyIdentifiers:supportedAuthorityKeyIdentifiers:documentIdentifier:invalidationDate:))

Initialize a mobile document registration with issuer key identifiers.

### Instance Properties

[`var invalidationDate: Date?`](/documentation/IdentityDocumentServices/MobileDocumentRegistration/invalidationDate)

A date that indicates when the system needs to invalidate this registration.

[`var mobileDocumentType: String`](/documentation/IdentityDocumentServices/MobileDocumentRegistration/mobileDocumentType)

The type of the mobile document.

[`var supportedAuthorityKeyIdentifiers: [Data]`](/documentation/IdentityDocumentServices/MobileDocumentRegistration/supportedAuthorityKeyIdentifiers)

A list of authority key identifiers that correspond to relying party authorizers that are trusted by the document provider app.

[`var supportedIssuerKeyIdentifiers: [Data]`](/documentation/IdentityDocumentServices/MobileDocumentRegistration/supportedIssuerKeyIdentifiers)

A list of X.509 authority key identifiers that correspond to the document signer certificate chain for the mobile document.

## Relationships

### Conforms To

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`IdentityDocumentRegistration`](/documentation/IdentityDocumentServices/IdentityDocumentRegistration)

[`Sendable`](/documentation/Swift/Sendable)

---

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