public void setDimensionValueSource(String dimensionValueSource) {
        this.dimensionValueSource = dimensionValueSource;
    }
<p>
The location where Amazon Pinpoint finds the value of a dimension to publish to Amazon CloudWatch. If you want
Amazon Pinpoint to use the message tags that you specify using an X-SES-MESSAGE-TAGS header or a parameter to the
SendEmail/SendRawEmail API, choose <code>messageTag</code>. If you want Amazon Pinpoint to use your own email
headers, choose <code>emailHeader</code>. If you want Amazon Pinpoint to use link tags, choose
<code>linkTags</code>.
</p>

@param dimensionValueSource
       The location where Amazon Pinpoint finds the value of a dimension to publish to Amazon CloudWatch. If you
       want Amazon Pinpoint to use the message tags that you specify using an X-SES-MESSAGE-TAGS header or a
       parameter to the SendEmail/SendRawEmail API, choose <code>messageTag</code>. If you want Amazon Pinpoint
       to use your own email headers, choose <code>emailHeader</code>. If you want Amazon Pinpoint to use link
       tags, choose <code>linkTags</code>.
@see DimensionValueSource
aws-java-sdk-pinpointemail/src/main/java/com/amazonaws/services/pinpointemail/model/CloudWatchDimensionConfiguration.java