fieldExists()

Method of the data object that returns true if a certain metadata field, column or node exists. (See data.)

fieldExists(levelName, propertyName)

This method returns true if the given metadata field exists at the given level in a PDF file.

levelName

String that specifies the metadata field.

propertyName

String that specifies the level.

fieldExists(fieldName)

This method returns true if the specified column exists in the current record in a CSV file.

fieldName

String that represents a field name (column) in a CSV file.

fieldExists(xPath)

This method returns true if the specified node exists in the current record in an XML file.

xPath

String that specifies a node.