iphone - export and import app data via email -


i have configured app able import , export app data via email in app. in info-plist have set public.mime-type @"application/quiz2" , identifier @"com.capturenow. quiz2.qmf" can import files ending in .qmf . currently, if email attachment ending in .qmf automatically opens app. problem how export (email) nsdata file app , must have file name ending in .qmf far i've got this:

mfmailcomposeviewcontroller *picker = [[mfmailcomposeviewcontroller alloc]init]; picker.mailcomposedelegate =self;   // how attach instanace of nsdata file name ends .qmf  [picker setsubject:@"see qmf file attached"]; [picker setmessagebody:@"hello there" ishtml:no]; [picker addattachmentdata:mynsdateobject mimetype:@"application/quiz2" filename:@"???"];

is filename path of nsdataobject i'm trying attach ? if so, append path .qmf ??


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