Get Signature operation

Returns signature data for a given signature field.

For example, your application must get the signature information from a signed PDF document. You require the timestamp and subfilter information to validate the signature with an external web service. You use the Get Signature operation to retrieve the timestamp and subfilter information from the digital signature.

For information about the General and Route Evaluation property groups, see Common operation properties.

Input properties

Properties to specify the PDF document and signature field.

Input PDF

A document value that contains a signature field for which data is retrieved.

If you provide a literal value, clicking the ellipsis button opens the Select Asset dialog box. (See About Select Asset.)

When you provide a PDF document that has signature fields that are signed, it populates the Signature Field Name property as a list. The list contains fully qualified names of the signed signature fields in the PDF document.

Signature Field Name

A string value that represents the name of the signature field that contains a signature. The fully qualified name of the signature field must be specified. When using a PDF document based on a form created in Designer, the partial name of the signature field can be used. For example, form1[0].#subform[1].SignatureField3[3] can be specified as SignatureField3[3].

If you are getting signature fields from a PDF document, the partial name of the signature field can also be used. For example, form1[0].#subform[1].SignatureField3[3] can be specified as SignatureField3[3]. If multiple signature fields exist with a similar partial name, the first signature field enumerated with the same partial name is signed. It is recommended that a fully qualified name is used to avoid these situations.

If you provide a literal value for the Signature Field Name property and a literal value is provided in the Input PDF property, a list appears. Select one of the values from the list of fully qualified names. Each fully qualified name represents a signed signature field in the provided PDF document.

Output properties

Property to specify the signature data.

PDF Signature Result

The location in the process data model to store the value that contains the signature and information about the filter and subfilters. The filters and subfilters are used for validating the signature. The value also contains information about certificates that are embedded in the PDF document. The data type is a PDFSignature value.

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