}

	Help = config.HelpKVS{
		config.HelpKV{
			Key:         DisplayName,
			Description: "Friendly display name for this Provider/App" + defaultHelpPostfix(DisplayName),
			Optional:    true,
			Type:        "string",
		},
		config.HelpKV{
			Key:         ConfigURL,
			Description: `openid discovery document e.g. "https://accounts.google.com/.well-known/openid-configuration"` + defaultHelpPostfix(ConfigURL),

        // Test creating new element
        Element description = DomUtils.updateOrCreateChildElement(root, "description", "Test Description");
        assertNotNull(description, "Should return created element");

        xmlOutput = DomUtils.toXml(doc);
        assertTrue(xmlOutput.contains("<description>Test Description</description>"), "Should contain new description");

        // Verify element ordering is maintained

app = FastAPI()


class Item(BaseModel):
    name: str
    description: str | None = None
    price: float
    tax: float = 10.5


items = {
    "foo": {"name": "Foo", "price": 50.2},
    "bar": {"name": "Bar", "description": "The Bar fighters", "price": 62, "tax": 20.2},
    "baz": {
        "name": "Baz",
        "description": "There goes my baz",
        "price": 50.2,
        "tax": 10.5,
    },
}

                    "responses": {
                        "200": {
                            "description": "Successful Response",
                            "content": {"application/json": {"schema": {}}},
                        },
                        "422": {
                            "description": "Validation Error",
                            "content": {
                                "application/json": {

    assert response.json() == {
        "name": "Baz",
        "description": None,
        "price": 50.2,
        "tax": 10.5,
        "tags": [],
    }


def test_patch_all(client: TestClient):
    response = client.patch(
        "/items/foo",
        json={
            "name": "Fooz",
            "description": "Item description",
            "price": 3,
            "tax": 10.5,

      <version>1.0.0</version>
      <description><![CDATA[Root element of the <code>extension.xml</code> file.]]></description>
      <fields>
        <field>
          <name>exportedPackages</name>
          <version>1.0.0</version>
          <association>
            <type>String</type>
            <multiplicity>*</multiplicity>
          </association>

        "name": "Foo",
        "price": 50.5,
        "description": None,
        "tax": None,
    }


def test_post_with_str_float(client: TestClient):
    response = client.post("/items/", json={"name": "Foo", "price": "50.5"})
    assert response.status_code == 200
    assert response.json() == {
        "name": "Foo",
        "price": 50.5,
        "description": None,
        "tax": None,
    }

	}

	Help = config.HelpKVS{
		config.HelpKV{
			Key:         ServerAddr,
			Description: `AD/LDAP server address e.g. "myldap.com" or "myldapserver.com:636"` + defaultHelpPostfix(ServerAddr),
			Type:        "address",
			Sensitive:   true,
		},
		config.HelpKV{
			Key:         SRVRecordName,

    }

    public void setDescription_Equal(String description) {
        setDescription_Term(description, null);
    }

    public void setDescription_Equal(String description, ConditionOptionCall<TermQueryBuilder> opLambda) {
        setDescription_Term(description, opLambda);
    }

    public void setDescription_Term(String description) {
        setDescription_Term(description, null);
    }

{* ../../docs_src/separate_openapi_schemas/tutorial001_py310.py ln[1:15] hl[14] *}

...then the `description` field will **not be required**. Because it has a default value of `None`.

### Input Model in Docs { #input-model-in-docs }

You can confirm that in the docs, the `description` field doesn't have a **red asterisk**, it's not marked as required:

<div class="screenshot">