3DS ReferenceProtocol & field guide

EMV 3-D Secure · Core specification 2.3.1.1

Browser Screen WidthbrowserScreenWidth

Browser Screen Width in Authentication Request (AReq).

Source edition: Core 2.3.1.1 · Type: String · Length: Variable, 1–6 characters; · Minimum length: 1 · Maximum length: 6

Baseline in AReq Conditional

Varies by context. Requirement or applicability varies by channel or message category. Select a specific context to resolve it. Usage and conditions ↓

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Usage in AReq

Total width of the Cardholder’s screen in pixels. Value is returned from the screen.width property. Refer to Section A.6 for additional detail.

Conditional inclusion — source text

Required if Browser JavaScript Enabled = true; otherwise Optional.

Format and scope

Type: String · Length: Variable, 1–6 characters; · Minimum length: 1 · Maximum length: 6

Source components: 3DS Server. Channels: 02-BRW. Categories: 01-PA, 02-NPA.

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 213

Transaction context

This reference covers the published source edition. Use the explorer to inspect this field and any applicable transaction conditions. Scheme programme requirements are not inferred from the protocol edition.

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Sources and related references

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 213

Source review status: carried-forward. Carried-forward material has not acquired a new verification claim.

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