And you can also declare body parameters as optional, by setting the default to `None`:

{* ../../docs_src/body_multiple_params/tutorial001_an_py310.py hl[18:20] *}

/// note

Notice that, in this case, the `item` that would be taken from the body is optional. As it has a `None` default value.

///

## Multiple body parameters { #multiple-body-parameters }

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        «««
        # FastAPI in Containers - Docker { #fastapi-in-containers-docker }
        »»»

    Translate with (German) – notice the dash:

        «««
        # FastAPI in Containern – Docker { #fastapi-in-containers-docker }
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        «««
        # FastAPI in Containern - Docker { #fastapi-in-containers-docker }
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			Versioned:          true,
			MTime:              srcObjInfo.ModTime,
			DeleteMarker:       srcObjInfo.DeleteMarker,
			ReplicationRequest: true,
		})
		return err
	}

	opts := ObjectOptions{
		VersionID:    srcObjInfo.VersionID,
		MTime:        srcObjInfo.ModTime,
		PreserveETag: srcObjInfo.ETag,
		UserDefined:  srcObjInfo.UserDefined,
	}