AFNetworking multipart request

gistfile1.m

NSMutableURLRequest *request = [client multipartFormRequestWithMethod:@"POST" path:path parameters:nil constructingBodyWithBlock:^(id <AFMultipartFormData> formData) {
	[formData appendPartWithFileData:data
		name:@"file"
		fileName:attachmentName
		mimeType:attachmentMIMEType];
}];