# Object

### Get Object Keys

*Returns an array of object keys.*

#### Expression:

**OBJ\_KEYS**(*value*: map)

#### Return:

array

#### Example of usage:

```javascript
OBJ_KEYS({key1: "apple", key2: "pear", key3: "tomatoes"})

Return value:
["key1","key2","key3"]
```

### Set Object Key

*Returns a map with a modified key value without changing a previous object.*

#### Expression:

**OBJ\_SET\_KEY**(*object*: map, *key*: string, *value*: any)

#### Return:

*newObject*: map

#### Example of usage:

```javascript
OBJ_SET_KEY({key1: "apple", key2: "pear", key3: "tomatoes"}, "key1", "jack fruit")

Return value:
{"key1":"jack fruit","key2":"pear","key3":"tomatoes"}
```

### Delete Object Key

*Returns a map with a deleted key value without changing a previous object.*

#### Expression:

**OBJ\_DELETE\_KEY**(*object*: map, *key*: string)

#### Return:

*newObject*: map

#### Example of usage:

```javascript
OBJ_DELETE_KEY({key1: "apple", key2: "pear", key3: "tomatoes"}, "key3")

Return value:
{"key1":"apple","key2":"pear"}
```

### Props to Array

*Returns a converted map to props to array without changing a previous object.*

#### Expression:

**PROPS\_TO\_ARRAY**(*value*: map)

#### Return:

*propsToArray*: map

#### Example of usage:

```javascript
PROPS_TO_ARRAY({key1: "apple", key2: "pear", key3: "tomatoes"})

Return value:
[
    {"key":"key1","value":"apple"},
    {"key":"key2","value":"pear"},
    {"key":"key3","value":"tomatoes"}
]
```

### Object from an Array

*Returns a created object from an array.*

{% hint style="info" %}
*key*, *value* are mandatory in an expression
{% endhint %}

#### Expression:

**OBJ\_FROM\_ARRAY**(*value*: array { *key*: string, *value*: string })

#### Return:

*convertedObject*: map

#### Example of usage:

```javascript
OBJ_FROM_ARRAY([{ key: "myKey", value: "myValue" }])

Return value:
{"myKey":"myValue"}
```


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