A collection of document variables.
Use the Document.Variables property to get access to the DocumentVariableCollection.
The DocumentVariableCollection holds variables as key-value pairs (the variable name is the key).
The DOCVARIABLE field can be used to insert a document variable value in the document. Handle one of the following events to adjust the content inserted in place of the field as required:
Use the SubDocument.Fields property to access the DOCVARIABLE fields.