# Ownership Facet

{% hint style="warning" %}
Note that this page has not been updated to reflect the current state of Beanstalk, but is left here as a reference.
{% endhint %}

The Ownership Facet handles the ownership of Beanstalk.

## Call Functions

### [Transfer Ownership](https://github.com/BeanstalkFarms/Beanstalk/blob/f0e29aae99ddca90085d8dfdc990cff88451d357/protocol/contracts/farm/facets/OwnershipFacet.sol#L15)

```solidity
function transferOwnership(address _newOwner) external;
```

Transfers ownership of Beanstalk to a new address. Can only be called by the owner of Beanstalk.

| Parameter   | Type      | Description                           |
| ----------- | --------- | ------------------------------------- |
| `_newOwner` | `address` | The address to transfer ownership to. |

### [Claim Ownership](https://github.com/BeanstalkFarms/Beanstalk/blob/f0e29aae99ddca90085d8dfdc990cff88451d357/protocol/contracts/farm/facets/OwnershipFacet.sol#L20)

```solidity
function claimOwnership() external;
```

Callable by candidate for ownership after a successful `transferOwnership` function call.

## View Functions

### [Owner](https://github.com/BeanstalkFarms/Beanstalk/blob/f0e29aae99ddca90085d8dfdc990cff88451d357/protocol/contracts/farm/facets/OwnershipFacet.sol#L26)

```solidity
function owner() external view returns (address owner_);
```

Returns the address of the owner of Beanstalk.

| Return Value | Type      | Description                            |
| ------------ | --------- | -------------------------------------- |
| `owner_`     | `address` | The address of the owner of Beanstalk. |

### [Owner Candidate](https://github.com/BeanstalkFarms/Beanstalk/blob/f0e29aae99ddca90085d8dfdc990cff88451d357/protocol/contracts/farm/facets/OwnershipFacet.sol#L30)

```solidity
function ownerCandidate() external view returns (address ownerCandidate_);
```

Returns the owner candidate of Beanstalk.

| Return Value      | Type      | Description                       |
| ----------------- | --------- | --------------------------------- |
| `ownerCandidate_` | `address` | The owner candidate of Beanstalk. |

## Events

### [Ownership Transferred](https://github.com/BeanstalkFarms/Beanstalk/blob/f0e29aae99ddca90085d8dfdc990cff88451d357/protocol/contracts/farm/facets/OwnershipFacet.sol#L13) <a href="#event-ownership-transferred" id="event-ownership-transferred"></a>

```solidity
event OwnershipTransferred(
    address indexed previousOwner, 
    address indexed newOwner
);
```

Emitted when ownership of Beanstalk is transferred.

| Parameter       | Type      | Description                      |
| --------------- | --------- | -------------------------------- |
| `previousOwner` | `address` | The previous owner of Beanstalk. |
| `newOwner`      | `address` | The new owner of Beanstalk.      |


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.bean.money/developers/protocol/diamond/ownership-facet.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.