> 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/transfermanager.md).

# Base abstract contract to be implemented by all Transfer Manager modules (TransferManager.sol)

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

**↗ Extends:** [**ITransferManager**](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/ITransferManager.md)**,** [**Module**](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/Module.md) **↘ Derived Contracts:** [**BlacklistTransferManager**](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/BlacklistTransferManager.md)**,** [**CountTransferManager**](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/CountTransferManager.md)**,** [**GeneralTransferManager**](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/GeneralTransferManager.md)**,** [**KYCTransferManager**](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/KYCTransferManager.md)**,** [**LockUpTransferManager**](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/LockUpTransferManager.md)**,** [**ManualApprovalTransferManager**](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/ManualApprovalTransferManager.md)**,** [**PercentageTransferManager**](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/PercentageTransferManager.md)**,** [**ScheduledCheckpoint**](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/ScheduledCheckpoint.md)**,** [**SignedTransferManager**](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/SignedTransferManager.md)**,** [**VolumeRestrictionTM**](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/VolumeRestrictionTM.md)

**TransferManager**

## Contract Members

**Constants & Variables**

```javascript
bytes32 public constant LOCKED;
bytes32 public constant UNLOCKED;
```

## Modifiers

* [onlySecurityToken](/polymath/api/transfermanager.md#onlysecuritytoken)

### onlySecurityToken

```javascript
modifier onlySecurityToken() internal
```

**Arguments**

| Name | Type | Description |
| ---- | ---- | ----------- |

## Functions

* [getTokensByPartition(bytes32 \_partition, address \_tokenHolder, uint256 )](/polymath/api/transfermanager.md#gettokensbypartition)

### getTokensByPartition

⤾ overrides [ITransferManager.getTokensByPartition](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/ITransferManager.md#gettokensbypartition)

⤿ Overridden Implementation(s): [BlacklistTransferManager.getTokensByPartition](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/BlacklistTransferManager.md#gettokensbypartition),[GeneralTransferManager.getTokensByPartition](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/GeneralTransferManager.md#gettokensbypartition),[LockUpTransferManager.getTokensByPartition](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/LockUpTransferManager.md#gettokensbypartition),[VolumeRestrictionTM.getTokensByPartition](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/VolumeRestrictionTM.md#gettokensbypartition)

return the amount of tokens for a given user as per the partition

```javascript
function getTokensByPartition(bytes32 _partition, address _tokenHolder, uint256 ) external view
returns(uint256)
```

**Arguments**

| Name          | Type    | Description |
| ------------- | ------- | ----------- |
| \_partition   | bytes32 |             |
| \_tokenHolder | address |             |
|               | uint256 |             |