📗 Constant Fields

While regular fields are used to extract dynamic data from incoming emails or documents, constant fields allow you to define predefined (static) values. These values are added to the parsed output even if they do not exist in the document itself.

This is useful when you want to:

• Tag documents

• Add contextual information

• Export a fixed value alongside extracted data

Example use case

If your Parsio mailbox receives emails from multiple sources and processes them using different templates, you may want to include the source name or document type as part of the exported data.

A constant field allows you to do this without relying on document content.

How to add a constant field

1. Open the template editor.

2. Navigate to the Constants tab.

3. Create a new constant field or add one from the unused mailbox fields.

4. Enter a field name and a constant value.

5. Save the template and re-parse an existing document to apply the changes.

The constant value will be included in the parsed output for all documents processed by that template.