You would instantiate a new object and use arrow notation to fill in the fields in the document.
您可以实例化一个新对象并使用箭头表示法来填充文档内的字段。
You do this using arrow notation (for example, $doc->new_field), then committing your changes with storeDoc().
对于后者,可以使用箭头表示法(比如 $doc->new_field),然后通过 storeDoc() 保存更改。
The double-lined arrow in the diagram is an alternative notation that shows a unit being hosted on another unit.
图表中的双行箭头是一种提示:寄主于另一个单元上的单元。
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