Compare dt with a list in an other dt

Need to compare two data table with a “IF”

IF colum “Etablissement” in dt “Etab” is in the list of dt List colum “Liste” do action 1 otherwise do action 2

ETAB.xlsx (8.7 KB)
LISTE.xlsx (8.6 KB)

Sorry are you checking the column data or just if column name.

If data are you checking by key?

Please explain