public void setLoa(Loa loa) {
        this.loa = loa;
    }
<p>
The Letter of Authorization - Connecting Facility Assignment (LOA-CFA).
</p>

@param loa
       The Letter of Authorization - Connecting Facility Assignment (LOA-CFA).
aws-java-sdk-directconnect/src/main/java/com/amazonaws/services/directconnect/model/DescribeConnectionLoaResult.java