Search-set-value for BAQ-search type not caught

I’m trying to make a custom search BAQ type, when I select it and click OK the data can’t be captured in the column I want and the pop-up search menu doesn’t close.
i followed this topic Search-value-set when using BAQ search type , but still can’t.

Video in this link:
https://drive.google.com/file/d/1zzLHk2bRYV1GDoIQUuV5sqqjH67iZ_jl/view?usp=share_link

@hmwillett im followed your step in other case , but not still work, can you help me?