public Invitation withInvitedAt(java.util.Date invitedAt) {
        setInvitedAt(invitedAt);
        return this;
    }
<p>
The timestamp of when the invitation was sent.
</p>

@param invitedAt
       The timestamp of when the invitation was sent.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/Invitation.java