th"===n&&st[o]:Boolean(Et[n]):e.namespaceURI===ot?!(t.namespaceURI===nt&&!st[o])&&!(t.namespaceURI===tt&&!ct[o])&&!Et[n]&&(ut[n]||!yt[n]):!("application/xhtml+xml"!==mt||!at[e.namespaceURI]))}(e)?(At(e),!0):"noscript"!==n&&"noembed"!==n&&"noframes"!==n||!b(/<\/no(script|embed|frames)/i,e.innerHTML)?(Ue&&e.nodeType===Q&&(t=e.textContent,u([he,ge,Te],(e=>{t=y(t,e," ")})),e.textContent!==t&&(f(o.removed,{element:e.cloneNode()}),e.textContent=t)),Rt(de.afterSanitizeElements,e,null),!1):(At(e),!0)},C...

		expectedOutput string
	}{
		{
			date:           time.Date(2009, time.November, 13, 4, 51, 1, 940303531, time.UTC),
			expectedOutput: "2009-11-13T04:51:01.940Z",
		},
		{
			date:           time.Date(2009, time.November, 13, 4, 51, 1, 901303531, time.UTC),
			expectedOutput: "2009-11-13T04:51:01.901Z",
		},
		{
			date:           time.Date(2009, time.November, 13, 4, 51, 1, 900303531, time.UTC),

/// info

`Body` also has all the same extra validation and metadata parameters as `Query`, `Path` and others you will see later.

///

## Embed a single body parameter { #embed-a-single-body-parameter }

Let's say you only have a single `item` body parameter from a Pydantic model `Item`.

By default, **FastAPI** will then expect its body directly.

    response = client.post("/body-embed")
    assert response.status_code == 422


def test_required_nonable_body_embed_invalid():
    response = client.post("/body-embed", json={"invalid": "invalid"})
    assert response.status_code == 422


def test_required_noneable_body_embed_value():
    response = client.post("/body-embed", json={"b": "foo"})
    assert response.status_code == 200

    public abstract RegularFileProperty getDestinationFile();

    /**
     * The release notes JavaScript to embed in the HTML
     */
    @InputFile
    @PathSensitive(PathSensitivity.NONE)
    public abstract RegularFileProperty getReleaseNotesJavascriptFile();

    /**
     * The release notes CSS to embed in the HTML
     */
    @InputFile
    @PathSensitive(PathSensitivity.NONE)

		expectedTime time.Time
		timeStr      string
	}
	testCases := []testCase{
		{
			ErrMalformedDate,
			time.Time{},
			"Tue Sep  6 07:10:23 PM PDT 2022",
		},
		{
			nil,
			time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC),
			"Tue, 10 Nov 2009 23:00:00 UTC",
		},
	}

	for _, testCase := range testCases {
		t.Run(testCase.timeStr, func(t *testing.T) {
			gott, goterr := Parse(testCase.timeStr)

# =====================================================================================
# Without aliases


@app.post("/required-str", operation_id="required_str")
async def read_required_str(p: Annotated[str, Body(embed=True)]):
    return {"p": p}


class BodyModelRequiredStr(BaseModel):
    p: str


@app.post("/model-required-str", operation_id="model_required_str")
async def read_model_required_str(p: BodyModelRequiredStr):

    )
    price: float = Field(gt=0, description="The price must be greater than zero")
    tax: float | None = None


@app.put("/items/{item_id}")
async def update_item(item_id: int, item: Item = Body(embed=True)):
    results = {"item_id": item_id, "item": item}

```Python
item: Item = Body(embed=True)
```

so wie in:

{* ../../docs_src/body_multiple_params/tutorial005_an_py310.py hl[17] *}

In diesem Fall erwartet **FastAPI** einen Body wie:

```JSON hl_lines="2"
{

# Without aliases


@app.post("/optional-list-str", operation_id="optional_list_str")
async def read_optional_list_str(
    p: Annotated[list[str] | None, Body(embed=True)] = None,
):
    return {"p": p}


class BodyModelOptionalListStr(BaseModel):
    p: list[str] | None = None


@app.post("/model-optional-list-str", operation_id="model_optional_list_str")