Enter the following expression after replacing the object keyOK-3387and the field code%{issue.cfaaaaa} with the desired object key and the field code of your Assets object custom field respectively.
"OK-3387" in findPattern(%{issue.cfaaaaa}, "[A-Z]{2,}-[0-9]+")
This expression will evaluate if the specified issue key is included in a list of object keys constructed from the object keys of the objects of the custom field.
Expression
Enter the following expression after replacing the object name and the field code as in the previous expression.
"Astronaut 01" in toStringList(findReplaceAll(replaceAll(%{issue.cf10106}, "[A-Z]{2,}-[0-9]+", ""), " ()", ""))
This expression will evaluate if the specified object name is included in a list of object names constructed from the object names of the objects of the custom field.