> For the complete documentation index, see [llms.txt](https://boxlang.ortusbooks.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/decision/attempt.md).

# Attempt

Create an Attempt object with or without a given value so you can do fluent operations on the registered attempt value.

## Method Signature

```
Attempt(value=[any])
```

### Arguments

| Argument | Type  | Required | Description                                                                                                         | Default |
| -------- | ----- | -------- | ------------------------------------------------------------------------------------------------------------------- | ------- |
| `value`  | `any` | `false`  | The value to store as the attempt. This can be a value, or a closure/lambda that will be executed to get the value. |         |

## Examples

### Create an Attempt with a value

Wraps a value in an Attempt object for fluent error-safe operations.

```java
attempt = attempt( 42 );
writeOutput( attempt.get() );

```

Result: 42

### Create an Attempt with a closure

The closure is executed and its result (or exception) is captured.

```java
attempt = attempt( () => 10 / 2 );
writeOutput( attempt.get() );

```

Result: 5

### Attempt that catches an exception

When the closure throws, the Attempt captures the failure instead of crashing.

```java
attempt = attempt( () => 10 / 0 );
writeOutput( attempt.hasError() );

```

Result: true

### Fluent chaining with Attempt

```java
result = attempt( () => "hello".len() )
    .map( (x) => x * 2 )
    .getOrDefault( 0 );
writeOutput( result );

```

Result: 10

### Attempt with no value

Creates an empty Attempt object for later use.

```java
attempt = attempt();
writeOutput( attempt.isEmpty() );

```

Result: true

## Related

* [ArrayIsEmpty](/boxlang-language/reference/built-in-functions/decision/arrayisempty.md)
* [arrayIsEmpty](https://github.com/ortus-boxlang/boxlang-docs/tree/v1.x/boxlang-language/reference/built-in-functions/decision/arrayIsEmpty.md)
* [IsArray](/boxlang-language/reference/built-in-functions/decision/isarray.md)
* [IsBinary](/boxlang-language/reference/built-in-functions/decision/isbinary.md)
* [IsBoolean](/boxlang-language/reference/built-in-functions/decision/isboolean.md)
* [IsBoxSet](/boxlang-language/reference/built-in-functions/decision/isboxset.md)
* [IsClosure](/boxlang-language/reference/built-in-functions/decision/isclosure.md)
* [IsCustomFunction](/boxlang-language/reference/built-in-functions/decision/iscustomfunction.md)
* [IsDate](/boxlang-language/reference/built-in-functions/decision/isdate.md)
* [IsDateObject](/boxlang-language/reference/built-in-functions/decision/isdateobject.md)
* [IsDebugMode](/boxlang-language/reference/built-in-functions/decision/isdebugmode.md)
* [IsDefined](/boxlang-language/reference/built-in-functions/decision/isdefined.md)
* [IsEmpty](/boxlang-language/reference/built-in-functions/decision/isempty.md)
* [IsFileObject](/boxlang-language/reference/built-in-functions/decision/isfileobject.md)
* [IsIPv6](/boxlang-language/reference/built-in-functions/decision/isipv6.md)
* [IsJSON](/boxlang-language/reference/built-in-functions/decision/isjson.md)
* [IsLeapYear](/boxlang-language/reference/built-in-functions/decision/isleapyear.md)
* [IsLocalHost](/boxlang-language/reference/built-in-functions/decision/islocalhost.md)
* [IsNull](/boxlang-language/reference/built-in-functions/decision/isnull.md)
* [IsNumeric](/boxlang-language/reference/built-in-functions/decision/isnumeric.md)
* [IsNumericDate](/boxlang-language/reference/built-in-functions/decision/isnumericdate.md)
* [IsObject](/boxlang-language/reference/built-in-functions/decision/isobject.md)
* [IsQuery](/boxlang-language/reference/built-in-functions/decision/isquery.md)
* [IsRange](/boxlang-language/reference/built-in-functions/decision/isrange.md)
* [IsSimpleValue](/boxlang-language/reference/built-in-functions/decision/issimplevalue.md)
* [IsStringBuilder](/boxlang-language/reference/built-in-functions/decision/isstringbuilder.md)
* [IsStruct](/boxlang-language/reference/built-in-functions/decision/isstruct.md)
* [IsValid](/boxlang-language/reference/built-in-functions/decision/isvalid.md)
* [IsXML](/boxlang-language/reference/built-in-functions/decision/isxml.md)
* [IsXmlAttribute](/boxlang-language/reference/built-in-functions/decision/isxmlattribute.md)
* [IsXMLDoc](/boxlang-language/reference/built-in-functions/decision/isxmldoc.md)
* [IsXMLElem](/boxlang-language/reference/built-in-functions/decision/isxmlelem.md)
* [IsXMLNode](/boxlang-language/reference/built-in-functions/decision/isxmlnode.md)
* [IsXMLRoot](/boxlang-language/reference/built-in-functions/decision/isxmlroot.md)
* [LSIsNumeric](/boxlang-language/reference/built-in-functions/decision/lsisnumeric.md)
* [structIsEmpty](/boxlang-language/reference/built-in-functions/decision/structisempty.md)


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