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Studio Web User Guide

DELIVERY:

Last updated Oct 16, 2025

Common VB expressions for Validation Control

Getting the whole Extraction Result

To return the extraction result object, currently rendered by the control:

Using the Validation Control element
```
MainPage.ValidationControl.ExtractionResultMainPage.ValidationControl.ExtractionResult
```

Using the Validation Control variable

AppVariable.VarValidationControl.ExtractionResultAppVariable.VarValidationControl.ExtractionResult

For example:

Getting the field value by field name:

AppVariable.VarValidationControl_MainPage.ExtractionResult.GetFieldByFieldName("Invoice Number").Values(0).ValueAppVariable.VarValidationControl_MainPage.ExtractionResult.GetFieldByFieldName("Invoice Number").Values(0).Value

Getting the field value by field index:

AppVariable.VarValidationControl_MainPage.ExtractionResult.ResultsDocument.Fields(0).Values(0).ValueAppVariable.VarValidationControl_MainPage.ExtractionResult.ResultsDocument.Fields(0).Values(0).Value

Getting the list of all field names displayed in the Validation Control

AppVariable.VarValidationControl.ExtractionResult.GetFields().Select(Function(f) f.FieldName)AppVariable.VarValidationControl.ExtractionResult.GetFields().Select(Function(f) f.FieldName)

Here is the list of methods you can use to read data from ExtractionResult:

.GetDocumentType()
.GetField()
.GetFieldByFieldName()
.GetFields()
.GetFieldValidatorNotes()
.GetFieldValidatorNotesByFieldName()
.GetSimpleFieldValues()
.GetSimpleFieldValuesByFieldName()
.GetTable()
.GetTableByTableName()
.GetTableFieldValue()
.GetTableFieldValueByTableName()
.GetValueCount()
.GetValueCountByFieldName()

Getting the taxonomy used by the control

To inspect document types, fields, or display properties:

Using the Validation Control element

MainPage.ValidationControl.TaxonomyMainPage.ValidationControl.Taxonomy

Using the Validation Control variable

AppVariable.VarValidationControl.TaxonomyAppVariable.VarValidationControl.Taxonomy

For example:

Getting the list of fields in a taxonomy and save it as a source for a dropdown control:

AppVariable.VarValidationControl_MainPage.Taxonomy.GetFields(VarValidationControl_MainPage.SelectedDocumentType).ToListSourceAppVariable.VarValidationControl_MainPage.Taxonomy.GetFields(VarValidationControl_MainPage.SelectedDocumentType).ToListSource

Here is the list of methods you can use to read data from Taxonomy:

.GetFields()

Getting the selected document type, as String

To bind UI elements to the curently chosen document type:

Using the Validation Control element

MainPage.ValidationControl.SelectedDocumentTypeMainPage.ValidationControl.SelectedDocumentType

Using the Validation Control variable

AppVariable.VarValidationControl.SelectedDocumentTypeAppVariable.VarValidationControl.SelectedDocumentType

Getting the selected field object

Using the Validation Control element

MainPage.ValidationControl.SelectedFieldMainPage.ValidationControl.SelectedField

Using the Validation Control variable

AppVariable.VarValidationControl.SelectedFieldAppVariable.VarValidationControl.SelectedField

You can further access SelectedField properties, such as .Field.FieldName, .Field.FieldType, or .Field.ValidatorNotes.

For example:

Getting the selected field value:
```
AppVariable.VarValidationControl_MainPage.SelectedField.Field.FieldValueAppVariable.VarValidationControl_MainPage.SelectedField.Field.FieldValue
```
You can further access selected field value properties, such as .FieldValue.Value, .FieldValue.Confidence, .FieldValue.OperatorConfirmed.

Getting the selected field all values:

AppVariable.VarValidationControl_MainPage.SelectedField.Field.ValuesAppVariable.VarValidationControl_MainPage.SelectedField.Field.Values

Getting the selected field first value:

AppVariable.VarValidationControl_MainPage.SelectedField.Field.Values(0).ValueAppVariable.VarValidationControl_MainPage.SelectedField.Field.Values(0).Value

Getting the selected field data type:

AppVariable.VarValidationControl_MainPage.SelectedField.Field.FieldType.ToStringAppVariable.VarValidationControl_MainPage.SelectedField.Field.FieldType.ToString

Getting the selected field index:

AppVariable.VarValidationControl_MainPage.SelectedField.FieldValueIndex.ToStringAppVariable.VarValidationControl_MainPage.SelectedField.FieldValueIndex.ToString

Getting the Validation Control properties

To read Validation Control properties:

Using the Validation Control element

MainPage.ValidationControl.<PROPERTY NAME>MainPage.ValidationControl.<PROPERTY NAME>

Using the Validation Control variable

Controls.MainPage.ValidationControl.<PROPERTY NAME>Controls.MainPage.ValidationControl.<PROPERTY NAME>

Reading a field value from a table

Reading field value from a table

AppVariable.VarValidationControl_MainPage.ExtractionResult.GetTableFieldValueByTableName(<TABLENAME>)(<COLUMN INDEX>)(<ROW INDEX>).ValueAppVariable.VarValidationControl_MainPage.ExtractionResult.GetTableFieldValueByTableName(<TABLENAME>)(<COLUMN INDEX>)(<ROW INDEX>).Value

For example:

AppVariable.VarValidationControl_MainPage.ExtractionResult.GetTableFieldValueByTable Name("Invoice Items")(0)(0).ValueAppVariable.VarValidationControl_MainPage.ExtractionResult.GetTableFieldValueByTable Name("Invoice Items")(0)(0).Value

Setting focus on a table cell

Using the Set Variable Value activity with the following expression in the Set value field

AppVariable.VarValidationControl_MainPage.Field("Invoice Items").Field("Description", 0).SetFocusAppVariable.VarValidationControl_MainPage.Field("Invoice Items").Field("Description", 0).SetFocus

On this page

Getting the whole Extraction Result
Getting the taxonomy used by the control
Getting the selected document type, as String
Getting the selected field object
Getting the Validation Control properties
Reading a field value from a table
Setting focus on a table cell

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