public void setContactId(String contactId) {
        this.contactId = contactId;
    }
<p>
The Amazon Resource Name (ARN) of the contact you are adding the contact channel to.
</p>

@param contactId
       The Amazon Resource Name (ARN) of the contact you are adding the contact channel to.
aws-java-sdk-ssmcontacts/src/main/java/com/amazonaws/services/ssmcontacts/model/CreateContactChannelRequest.java