> For the complete documentation index, see [llms.txt](https://developers.polymath.network/polymath/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.polymath.network/polymath/api/securitytokenproxy.md).

# USDTiered STO module Proxy (SecurityTokenProxy.sol)

View Source: [contracts/tokens/SecurityTokenProxy.sol](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/contracts/tokens/SecurityTokenProxy.sol)

**↗ Extends:** [**OZStorage**](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/OZStorage.md)**,** [**SecurityTokenStorage**](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/SecurityTokenStorage.md)**,** [**OwnedUpgradeabilityProxy**](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/OwnedUpgradeabilityProxy.md)

**SecurityTokenProxy**

## Functions

* [(string \_name, string \_symbol, uint8 \_decimals, uint256 \_granularity, string \_tokenDetails, address \_polymathRegistry)](/polymath/api/securitytokenproxy.md)

constructor

```javascript
function (string _name, string _symbol, uint8 _decimals, uint256 _granularity, string _tokenDetails, address _polymathRegistry) public nonpayable
```

**Arguments**

| Name               | Type    | Description                                    |
| ------------------ | ------- | ---------------------------------------------- |
| \_name             | string  | Name of the SecurityToken                      |
| \_symbol           | string  | Symbol of the Token                            |
| \_decimals         | uint8   | Decimals for the securityToken                 |
| \_granularity      | uint256 | granular level of the token                    |
| \_tokenDetails     | string  | Details of the token that are stored off-chain |
| \_polymathRegistry | address | Contract address of the polymath registry      |