How do you add custom tokens to e-mail templates for Onboarding?

Create a document template for custom tokens using Maintain Onboarding Offboarding Document Templates.

Add field names to the content of the document template.

Map the field names on the document template to fields defined in Onboarding.

Create a document template using Document Generation.

Use the format {fieldID} to add custom tokens in the subject body of the e-mail in Email Services.