SP へWorkManagement.OM.ProviderErrorInfo.lastSuccessfulRefresh プロパティ (sp.workmanagement)
**適用対象:**apps for SharePoint | SharePoint Foundation 2013 | SharePoint Server 2013
var value = SP.WorkManagement.OM.ProviderErrorInfo.get_lastSuccessfulRefresh()
SP.WorkManagement.OM.ProviderErrorInfo.set_lastSuccessfulRefresh(value)