public void setLastModifiedBy(String lastModifiedBy) {
        this.lastModifiedBy = lastModifiedBy;
    }
<p>
The user who last modified the voice channel.
</p>

@param lastModifiedBy
       The user who last modified the voice channel.
aws-java-sdk-pinpoint/src/main/java/com/amazonaws/services/pinpoint/model/VoiceChannelResponse.java