public String getSharingProfileIdentifier() {
        return sharingProfileIdentifier;
    }
Returns the identifier of the sharing profile associated with this
record. If the connection was not being used via a sharing profile, this
will be null.

@return
    The identifier of the sharing profile associated with this record,
    or null if no sharing profile was used.
guacamole/src/main/java/org/apache/guacamole/rest/history/APIConnectionRecord.java