# BuilderRegistrationMessage

> **BuilderRegistrationMessage** = `object`

Defined in: [types.ts:273](https://github.com/ObolNetwork/obol-sdk/blob/5137bd5c4ded55a50234f19135ea3a5bfeab4d47/src/types.ts#L273)

Unsigned DV Builder Registration Message

## Properties

| Property | Type | Description | Defined in |
| ------ | ------ | ------ | ------ |
| <a id="fee_recipient"></a> `fee_recipient` | `string` | The DV fee recipient. | [types.ts:275](https://github.com/ObolNetwork/obol-sdk/blob/5137bd5c4ded55a50234f19135ea3a5bfeab4d47/src/types.ts#L275) |
| <a id="gas_limit"></a> `gas_limit` | `number` | Default is 30000000. | [types.ts:278](https://github.com/ObolNetwork/obol-sdk/blob/5137bd5c4ded55a50234f19135ea3a5bfeab4d47/src/types.ts#L278) |
| <a id="timestamp"></a> `timestamp` | `number` | Timestamp when generating cluster lock file. | [types.ts:281](https://github.com/ObolNetwork/obol-sdk/blob/5137bd5c4ded55a50234f19135ea3a5bfeab4d47/src/types.ts#L281) |
| <a id="pubkey"></a> `pubkey` | `string` | The public key of the DV. | [types.ts:284](https://github.com/ObolNetwork/obol-sdk/blob/5137bd5c4ded55a50234f19135ea3a5bfeab4d47/src/types.ts#L284) |