The phrase "attach a level of" is correct and usable in written English.
It can be used when discussing the addition of a certain degree or quality to something, often in a formal or technical context.
Example: "The new software update will attach a level of security that was previously lacking."
Alternatives: "add a degree of" or "incorporate a measure of".
Weighting assesses how decision makers attach a relative level of importance to each criterion.
This study found that the women surveyed attached a high level of importance to many different pieces of information for decision-making about birth facility.
He added that having Scott attached "gives people a level of comfort about how serious we are".
Unlike galleries, where buyers can be intimidated by pieces hung on white walls with no prices attached, Saatchi Art provides a level of transparency that's not available offline.
After getting through on the phone this time they emailed to hammer home a final thought: "Check out the attached docs – there's a level of hypocrisy here especially before tomorrow's hearing with FB & Twitter".
The conditions attached to legalization also suppose a level of competence the federal government, especially its overburdened immigration bureaucrats, have yet to display.
There's a level of shame attached to saying "I really want to be a mother", especially as you get older, so as the years passed I had tried to come terms with my childless future.
Both schools entered the game with a level of controversy attached to their teams.
"There is a level of visibility that is attached to him that he handles with incredible grace, but I don't know that I could ever live like that.
I would only add that political data journalism isn't confined to trying to divine the future, and it's often most useful when it avoids making predictions, particularly ones that come with a level of potentially spurious precision attached to them.
Now, for the first time in my life, there is a level of fear for me attached with being--and looking--Latina.
