isEvaluated(data) {
        let currentPersonID = this.props.person.id;
         let evaluations = data.evaluations;
        evaluations.forEach(function (evaluation,index, this) {
            if (evaluation.personDto.id === currentPersonID) {
                console.log("ok");
                this.setState({
                    showAddButton: false
                });
                console.log("showAddButton" + this.state.showAddButton);
            }
        });

    }