> For the complete documentation index, see [llms.txt](https://radoslaw-medryk.gitbook.io/verifica/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://radoslaw-medryk.gitbook.io/verifica/functions/geterrors.md).

# getErrors

```typescript
function getErrors(verificable, predicate): VerificaError[]
```

This function assesses if the provided `verificable` matches or not the provided `predicate` .

Returns empty array if `predicate` is matched, otherwise returns array of `VerificaError` objects.

## Examples:

First, let's define an example object `user` that we want to verify and wrap it with `asVerificable():`

```typescript
const { asVerificable, getErrors, isObject, isString, isNumberInRange, isInteger } = require("verifica");

const user = {
    name: "John Smith",
    age: 27,
    address: {
        street: "Valdemarsgade 10",
        zipCode: 1040
    }
};
const verificable = asVerificable(user);
```

If `verificable` matches specified `Predicate`, function `getErrors()` returns empty array indicating there were no errors.

```typescript
getErrors(verificable, isObject);
// []
```

We can use `Verificable` object properties that allow us to access any arbitrary path on the object, no matter how deeply nested, and the value of it will be `Validatable` object as well, representing possible value at the same path on the original object.

This allows us to easily verify nested properties:

```typescript
getErrors(verificable.address.zipCode, isInteger);
// []
```

If value represented by provided `Verificable` object doesn't match the `Predicate` , function `getErrors()` will return an array of `ValidationError` objects describing the underlying error:

```typescript
getErrors(verificable.age, isString);
// [{ type: "isString", path: ["age"] }]

getErrors(verificable.age, isNumberInRange({ min: 1, max: 20 }));
// [{ type: "isNumberInRange", min: 1, max: 20, path: ["age"] }]

getErrors(verificable.address.zipCode, isString);
// [{ type: "isString", path: ["address", "zipCode"] }]
```

The guaranteed fields on a `VerificableError` object are `type` being a string defining the error type, and a `path` property describing what possible nested path value failed the validation.