public Contact withAlias(String alias) {
        setAlias(alias);
        return this;
    }
<p>
The unique and identifiable alias of the contact or escalation plan.
</p>

@param alias
       The unique and identifiable alias of the contact or escalation plan.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ssmcontacts/src/main/java/com/amazonaws/services/ssmcontacts/model/Contact.java