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# signedDataBlock Element

Defines a node set in the form's underlying XML document to which a digital signature can be applied.

## Type

`xsd:complexType`

## Child Elements

Element | Description
--- | ---
message | The signature confirmation message shown when a digital signature is applied to the form or to a section of the form.

## Attributes

Attribute | Type | Required | Description | Possible Values
--- | --- | --- | --- | ---
name | `xdSignedDataBlockName` | Yes | Contains the name of the signedDataBlock element. | minLength = 1 maxLength = 255
data | `xsd:string` | Yes | Contains an XPath match expression that defines the node set to which the signature will be applied. | string
signatureLocation | `xsd:string` | Yes | Contains an XPath expression that points to the XML Document Object Model (DOM) node within the form's underlying XML document that is used for storing the digital signature. | string
mode | `xdSignatureRelationEnum` | Yes | Specifies the signature relationship for the signedDatablock element. The default is "single". | countersign cosign single

## Definition

    <xsd:element name="signedDataBlock">
      <xsd:complexType>
        <xsd:sequence>
          <xsd:element name="message" type="xsf:xdSignedDataBlockMessage" minOccurs="0"></xsd:element>
        </xsd:sequence>
        <xsd:attribute name="name" type="xsf:xdSignedDataBlockName" use="required"></xsd:attribute>
        <xsd:attribute name="data" type="xsd:string" use="required"></xsd:attribute>
        <xsd:attribute name="signatureLocation" type="xsd:string" use="required"></xsd:attribute>
        <xsd:attribute name="mode" type="xsf:xdSignatureRelationEnum" use="required"></xsd:attribute>
      </xsd:complexType>
      <xsd:unique name="signedDataBlock_name_unique">
        <xsd:selector xpath="."/>
        <xsd:field xpath="@name"/>
      </xsd:unique>
    </xsd:element>

## Remarks

The node set must be the union of connected subtrees. If a nonleaf node is included in a signedDataBlock, then all children must be included.

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 signedDataBlock element:

    <xsf:documentSignatures>
     <xsf:signedDataBlock name=”main”
      data=”my:myfields/my:subtree1 | my:myfields/my:subtree2”
      signatureLocation=”my:mifields/sig:signatures/main”
      mode=”countersign”>
      <xsf:message>By pressing the &quot;Sign&quot; button below, I agree to be bound
       to the terms of this document.</xsf:message>
     </xsf:signedDataBlock>
    </xsf:documentSignatures>

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