No Target Book in Consolidation Definition

I’m setting up some new companies in E10 to use the Multi-Company Direct transfer method for consolidation. However I’m not getting an option to add a target book in the consolidation definition - does anyone have any ideas why?

I’ve setup the following:
External company ID in source and parent companies with GL control
Initialised data for consolidation monitor
Created task for multi-company schedule
Created consolidation rate type
Created consolidation type

The combo will show the books on GLBGLBook table with type standard.
How the records are created I guess after setting up multicompany and running the initialize it should send any active books to any company also setup for multicompany.

A much belated thank you Jonathan. I got there in the end.