Class

# NotificationException

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## Description

Occurs when a `Notification</api/user_interface/notifications/notification>` cannot be sent.

## Properties

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| Name                                             | Type                               | Read-Only | Shared |
|--------------------------------------------------|------------------------------------|-----------|--------|
| `ErrorNumber<notificationexception.errornumber>` | `Integer</api/data_types/integer>` |           |        |
| `Message<notificationexception.message>`         | `String</api/data_types/string>`   |           |        |

## Methods

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| Name                                              | Parameters                                                                                              | Returns                                    | Shared |
|---------------------------------------------------|---------------------------------------------------------------------------------------------------------|--------------------------------------------|--------|
| `Constructor<notificationexception.constructor0>` | message As `String</api/data_types/string>` = "", errorNumber As `Integer</api/data_types/integer>` = 0 |                                            |        |
| `Stack<notificationexception.stack>`              |                                                                                                         | `String()</api/data_types/string>`         |        |
| `StackFrames<notificationexception.stackframes>`  |                                                                                                         | `StackFrame()</api/exceptions/stackframe>` |        |

## Property descriptions

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NotificationException.ErrorNumber

**ErrorNumber** As `Integer</api/data_types/integer>`

> Used to contain an error number that describes the runtime error.

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NotificationException.Message

**Message** As `String</api/data_types/string>`

> Used to contain descriptive text to display when the runtime exception is encountered.

## Method descriptions

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NotificationException.Constructor

**Constructor**(message As `String</api/data_types/string>` = "", errorNumber As `Integer</api/data_types/integer>` = 0)

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> Note
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> `Constructors</api/language/constructor>` are special methods called when you create an object with the `New</api/language/new>` keyword and pass in the parameters above.
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> Used to raise your own `RuntimeException</api/exceptions/runtimeexception>` with a *message* and optional error number.

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NotificationException.Stack

**Stack** As `String()</api/data_types/string>`

> Returns a `String</api/data_types/string>` array that contains a list of all of the methods in the stack from the main entrypoint to the point at which the exception was invoked.
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> The stack contains all the method names up and including the current method name.
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> This feature only works if the **IncludeFunctionNames** property on the App object is selected in the Shared Build Settings.
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> In addition to your own method calls, you will also see framework method calls, but these may not always be completely accurate due to insufficient symbols for the OS to resolve.

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NotificationException.StackFrames

**StackFrames** As `StackFrame()</api/exceptions/stackframe>`

> Returns an array containing the stack when the exception was first raised.

## Notes

There are three reasons why an error occurs:

- There is an error sending a particular `Notification</api/user_interface/notifications/notification>`, in which case `Notification</api/user_interface/notifications/notification>` will contain the `Notification</api/user_interface/notifications/notification>` object.
- The user has declined to allow local notifications. in which case, the `Notification</api/user_interface/notifications/notification>` will be `Nil</api/language/nil>`.
- The user has declined to allow or the device is not capable of receiving remote notifications in which case, `Notification</api/user_interface/notifications/notification>` will be `Nil</api/language/nil>`.

## Compatibility

|                       |        |
|-----------------------|--------|
| **Project Types**     | Mobile |
| **Operating Systems** | All    |

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`RuntimeException</api/exceptions/runtimeexception>` parent class; `Function</api/language/function>`, `Catch</api/language/catch>`, `Raise</api/language/raise>` statements; `Nil</api/language/nil>` datatype; `Exception</api/exceptions/exception>`, `Try</api/language/try>` statements; `Exception Handling</getting_started/debugging/exception_handling>` topic

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