private static final map<String, String> map_event_visit_s = new map<String, String> {
'Avis_Date__c' => 'Avis_Date__c',
'Avis_Mode__c' => 'Avis_Mode__c',
'Avis_Type__c' => 'Avis_Type__c',
'Activity_Type__c' => 'Activity_Type__c',
'Subject' => 'Name',
'StartDateTime' => 'Start_Date_Time__c',
'EndDateTime' => 'End_Date_Time__c',
'WhatId' => 'Account__c',
'WhoId' => 'Customer_Contact__c',
'Status__c' => 'Status__c',
'IsAllDayEvent' => 'IsAllDayEvent__c',
'Description' => 'Note__c'
};