const csv = 'Email,FirstName,LastName,Birthdate,PhoneNumber,City,Country,Gender,Platform,Stars,SUBSCRIBEDATE\n'
+ '[email protected],Grégoire,Mathonet,16/05/1995,+352691623187,Luxembourg,LU,M,Y,5,01/07/2021';
            Promise.all([
                this.hubspotClient.crm.imports.coreApi.create(JSON.stringify({
                    name: 'anote_platform',
                    files: [{
                        fileName: 'platform.csv',
                        fileFormat: 'CSV',
                        dateFormat: 'DAY_MONTH_YEAR',
                        fileImportPage: {
                            hasHeader: true,
                            columnMappings: [{
                                columnName: 'Email',
                                propertyName: 'email',
                                columnObjectType: 'CONTACT',
                            }, {
                                columnName: 'Platform',
                                propertyName: 'hs_content_membership_email_confirmed',
                                columnObjectType: 'CONTACT',
                            }, {
                                columnName: 'FirstName',
                                propertyName: 'firstname',
                                columnObjectType: 'CONTACT',
                            }]
                        }
                    }]
                }), {
                    value: Buffer.from(csv),
                    options: {
                        filename: 'platform.csv',
                        contentType: 'text/csv',
                    },
                })
            ]).then(() => callback, e => {
                if(e.body) callback(JSON.stringify(e.body));
                else if(e.response) callback(JSON.stringify(e.response));
                else callback(e);
            });