# `PhoenixKit.Settings.Setting.SettingsForm`
[🔗](https://github.com/BeamLabEU/phoenix_kit/blob/v1.7.71/lib/phoenix_kit/settings/setting.ex#L201)

Settings form schema for PhoenixKit system settings validation.

This embedded schema provides validation for the settings form in the admin panel.
It handles validation for core system settings like timezone, date format, and time format.

## Fields

- `project_title`: Application/project title
- `site_url`: Website URL for the application (optional)
- `allow_registration`: Allow public user registration (true/false)
- `time_zone`: System timezone offset (-12 to +12)
- `date_format`: Date display format (Y-m-d, m/d/Y, etc.)
- `time_format`: Time display format (H:i for 24-hour, h:i A for 12-hour)
- `track_registration_geolocation`: Enable IP geolocation tracking during registration (true/false)

## Usage Examples

    # Create a changeset for validation
    %PhoenixKit.Settings.Setting.SettingsForm{}
    |> PhoenixKit.Settings.Setting.SettingsForm.changeset(%{
      project_title: "My App",
      time_zone: "0", 
      date_format: "Y-m-d",
      time_format: "H:i"
    })

    # Validate existing settings
    form_data = struct(PhoenixKit.Settings.Setting.SettingsForm, %{project_title: "My App", ...})
    PhoenixKit.Settings.Setting.SettingsForm.changeset(form_data, %{time_zone: "+5"})

# `changeset`
[🔗](https://github.com/BeamLabEU/phoenix_kit/blob/v1.7.71/lib/phoenix_kit/settings/setting.ex#L298)

Creates a changeset for settings form validation.

Validates that all required fields are present and have valid values.

## Validations

- All fields are required
- `project_title`: 1-100 characters
- `time_zone`: Must be a valid timezone offset (-12 to +12)
- `date_format`: Must be one of the supported formats
- `time_format`: Must be one of the supported formats

## Examples

    iex> PhoenixKit.Settings.Setting.SettingsForm.changeset(%PhoenixKit.Settings.Setting.SettingsForm{}, %{project_title: "My App"})
    %Ecto.Changeset{valid?: false} # Missing required fields

    iex> valid_attrs = %{
    ...>   project_title: "My App",
    ...>   time_zone: "0",
    ...>   date_format: "Y-m-d", 
    ...>   time_format: "H:i"
    ...> }
    iex> PhoenixKit.Settings.Setting.SettingsForm.changeset(%PhoenixKit.Settings.Setting.SettingsForm{}, valid_attrs)
    %Ecto.Changeset{valid?: true}

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*Consult [api-reference.md](api-reference.md) for complete listing*