---
title: worker
sidebarTitle: worker
---

# `prefect.settings.models.worker`

## Classes

### `WorkerWebserverSettings` <sup><a href="https://github.com/PrefectHQ/prefect/blob/main/src/prefect/settings/models/worker.py#L9" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

**Methods:**

#### `settings_customise_sources` <sup><a href="https://github.com/PrefectHQ/prefect/blob/main/src/prefect/settings/base.py#L33" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python
settings_customise_sources(cls, settings_cls: type[BaseSettings], init_settings: PydanticBaseSettingsSource, env_settings: PydanticBaseSettingsSource, dotenv_settings: PydanticBaseSettingsSource, file_secret_settings: PydanticBaseSettingsSource) -> tuple[PydanticBaseSettingsSource, ...]
```

Define an order for Prefect settings sources.

The order of the returned callables decides the priority of inputs; first item is the highest priority.

See https://docs.pydantic.dev/latest/concepts/pydantic_settings/#customise-settings-sources


#### `to_environment_variables` <sup><a href="https://github.com/PrefectHQ/prefect/blob/main/src/prefect/settings/base.py#L124" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python
to_environment_variables(self, exclude_unset: bool = False, include_secrets: bool = True, include_aliases: bool = False) -> dict[str, str]
```

Convert the settings object to a dictionary of environment variables.


### `WorkerSettings` <sup><a href="https://github.com/PrefectHQ/prefect/blob/main/src/prefect/settings/models/worker.py#L25" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

**Methods:**

#### `settings_customise_sources` <sup><a href="https://github.com/PrefectHQ/prefect/blob/main/src/prefect/settings/base.py#L33" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python
settings_customise_sources(cls, settings_cls: type[BaseSettings], init_settings: PydanticBaseSettingsSource, env_settings: PydanticBaseSettingsSource, dotenv_settings: PydanticBaseSettingsSource, file_secret_settings: PydanticBaseSettingsSource) -> tuple[PydanticBaseSettingsSource, ...]
```

Define an order for Prefect settings sources.

The order of the returned callables decides the priority of inputs; first item is the highest priority.

See https://docs.pydantic.dev/latest/concepts/pydantic_settings/#customise-settings-sources


#### `to_environment_variables` <sup><a href="https://github.com/PrefectHQ/prefect/blob/main/src/prefect/settings/base.py#L124" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python
to_environment_variables(self, exclude_unset: bool = False, include_secrets: bool = True, include_aliases: bool = False) -> dict[str, str]
```

Convert the settings object to a dictionary of environment variables.

