ios geofencing code example

Example: geofence in mapkit xcode

//path: folder name if any followed by name of image
func uploadImageToFirebaseStorage(data: Data, path: String, blockCompletedWith: @escaping blockCompletedWith) {
        let metadata = StorageMetadata()
        metadata.contentType = "image/jpeg"

        let store = Storage.storage()
        let storeRef = store.reference().child(path)
        let _ = storeRef.putData(data, metadata: metadata) { (metadata, error) in
            guard let _ = metadata else {
                print("error occured: \(error.debugDescription)")
                blockCompletedWith(false, "")
                return
            }

            storeRef.downloadURL(completion: { (url, error) in
                if let urlText = url?.absoluteString {
                    blockCompletedWith(true, urlText)
                }
                else {
                    blockCompletedWith(false, "")
                }
            })
        }
    }

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Misc Example