public void setPageId(String pageId) {
        this.pageId = pageId;
    }
<p>
The Amazon Resource Name (ARN) of the engagement to a contact channel.
</p>

@param pageId
       The Amazon Resource Name (ARN) of the engagement to a contact channel.
aws-java-sdk-ssmcontacts/src/main/java/com/amazonaws/services/ssmcontacts/model/AcceptPageRequest.java