validation feature or custom code

It seems you're asking about a for Eplan P8 2.0 – likely for checking schematic correctness, component properties, or project consistency.

Efficient Data Management

: Users can edit mass data using "Search and Replace" or export data to Excel for external editing, which is especially useful for large-scale projects. Key Considerations

Entitlement ID (EID)

It is important to note that Eplan has largely moved away from traditional "validation codes" in favor of the .

Help > Validation messages

To get the full list of codels for your version, open inside Eplan P8 2.0.