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

# Verification

## setValidation

```
function setValidation(address user, bool status) external;
```

## updateValidationLimit

```
function updateValidationLimit(uint validationLimit) external;
```

## isValid - isValidationRequired

```
function isValid(address user) external view returns (bool);
```

```
function isValidationRequired(uint amount) external view returns (bool);
```

#### Returns whether a user's KYC is verified or not

| Parameter Name | Type    | Description                  |
| -------------- | ------- | ---------------------------- |
| user           | address | address of the user to check |