code: public SendTemplatedEmailRequest withTags(MessageTag... tags) {
          if (this.tags == null) {
              setTags(new com.amazonaws.internal.SdkInternalList<MessageTag>(tags.length));
          }
          for (MessageTag ele : tags) {
              this.tags.add(ele);
          }
          return this;
      }
docs: <p>
  A list of tags, in the form of name/value pairs, to apply to an email that you send using
  <code>SendTemplatedEmail</code>. Tags correspond to characteristics of the email that you define, so that you can
  publish email sending events.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setTags(java.util.Collection)} or {@link #withTags(java.util.Collection)} if you want to override the
  existing values.
  </p>
  
  @param tags
  A list of tags, in the form of name/value pairs, to apply to an email that you send using
  <code>SendTemplatedEmail</code>. Tags correspond to characteristics of the email that you define, so that
  you can publish email sending events.
  @return Returns a reference to this object so that method calls can be chained together.