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{doc} update shorthand_syntax.md #22976

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Jun 30, 2022
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{doc} update shorthand_syntax.md #22976

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7 changes: 6 additions & 1 deletion doc/shorthand_syntax.md
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Expand Up @@ -247,7 +247,7 @@ az some-command --contact name=Bill address=null

### `null` value in update commands

In update commands `null` value is usually used to unset properties.
In update commands `null` value is usually used to unset properties of a object or remove elements of an array or a dict.
For example if there already exists an resource with following contact property

contact
Expand Down Expand Up @@ -280,6 +280,11 @@ By using `null` value in update command, _address_ property of resource's _conta
az some-update-command --contact address=null
```

By using `null` value in update command, the first element of resource's _emails_ can be removed:
```bash
az some-update-command --emails [0]=null
```

# Single Quotes String

_Single Quotes String_ is used to pass a __string__ value with special characters: `:`, `,`, `{`, `}`, `[`, `]`, `null`, `??` and space.
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