public EmailChannelResponse withLastModifiedBy(String lastModifiedBy) {
        setLastModifiedBy(lastModifiedBy);
        return this;
    }
<p>
The user who last modified the email channel.
</p>

@param lastModifiedBy
       The user who last modified the email channel.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-pinpoint/src/main/java/com/amazonaws/services/pinpoint/model/EmailChannelResponse.java