# isLookup Attribute

Specifies whether a field in a SharePoint list is a lookup field.

## Type

`xsf:xdYesNo`

## Parent Elements

Element | Description
--- | ---
field | Contains field mapping information for each SharePoint field and the corresponding name used in Microsoft Office InfoPath 2003 SP1.

## Definition

    <xsd:attribute name="isLookup" type="xsf:xdYesNo" use="optional" ></xsd:attribute>

## Remarks

The default value for the isLookup attribute is "no".

Note This item is not supported when the Disable Service Pack features option on the Advanced tab of the Options dialog box in InfoPath is selected or when Microsoft Office 2003 Editions Service Pack 1 or later is not installed. Any form defined by a form definition file (.xsf) that includes this item cannot be opened in InfoPath when service pack features are disabled or unavailable.

## Example

The following is an example of the isLookup attribute as it is used in the field element:

    <xsf:field
     sharepointName="xd__x007b_D00F1DBD_..."
     infopathName="Title_1" isLookup="no">
    </xsf:field>

©2003-2004 Microsoft Corporation. All rights reserved. Permission to copy, display and distribute this document is available at: http://msdn.microsoft.com/library/en-us/odcXMLRef/html/odcXMLRefLegalNotice.asp