core data - Why is NSPersistentStoreCoordinator not recognizing my managed object model? -

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i trying create coredata store icloud. following example code in icloud programming guide core data, have piece of code:

    nspersistentstorecoordinator *coordinator = [[nspersistentstorecoordinator alloc] initwithmanagedobjectmodel: salonbook.xcdatamodeld];

this image of managed object model

enter image description here

i'm getting error: use of undeclared identifier 'salonbook'.

why?

you're getting error because you're telling variable named salonbook, not declared. need pass reference nsmanagedobjectmodel instance here. commonly means you'd use self.managedobjectmodel, depends on rest of code. steps need be:

  1. create nsmanagedobjectmodel instance model file
  2. create nspersistentstorecoordinator using model object.

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