public LaunchProfileMembership withPrincipalId(String principalId) {
        setPrincipalId(principalId);
        return this;
    }
<p>
The principal ID.
</p>

@param principalId
       The principal ID.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-nimblestudio/src/main/java/com/amazonaws/services/nimblestudio/model/LaunchProfileMembership.java