{this.state.sessions.map((session, index) => {

                return (
                    <View style={styles.cardContainer}>


                <Text style={styles.title} >{session.title}</Text>
                        <Text style={styles.text}>Organisator: {session.organizer}</Text>
                        <Text style={styles.text}>Hoofd Thema: {session.mainTheme}</Text>
                        <Text style={styles.text}>Aantal Deelnemers: {session.numberParticipants}</Text>
                        <Text style={styles.text}>Game Id: {session.gameId}</Text>
                        <TouchableOpacity style={styles.buttonContainer} >

                            <Text style={styles.buttonText} onPress={this.onSubmit} value={session.gameId} >
                               Selecteer
                            </Text>
                        </TouchableOpacity>