In order to build your customized digest, follow these steps:

1. You may want to add new computed fields with Odoo Studio:
   • you must create 2 fields on the digest object:
   • first create a boolean field called kpi_myfield and display it in the KPI's tab;
   • then create a computed field called kpi_myfield_value that will compute your customized KPI.
2. Select your KPIs in the KPI's tab.
3. Create or edit the mail template: you may get computed KPI's value using these fields: