# unmap\_attr

Unmaps an attribute name from the other attribute name. Nothing is returned.

Any attribute name that is currently mapped to another attribute name (See [map\_attr](/docs/maci/object/methods/map_attr.md)) can be unmapped using this method. Attribute names must already exist to unmap them.

This will release the mapping between a child attribute name and the corresponding parent attribute name. In addition, If a parent attribute name is specified, that contains children with references to it, all child mappings will be detached from that parent<br>

*Basic Example of unmapping a name using default positional parameter*

```python
data.unmap_attr('attr_name')
```

In this example, we simply unmap an attribute name that already exists in the [MaciDataObj](/docs/maci/object.md) and is also currently present in the reference maps by passing a string of the attribute name as an argument to the unmap\_attr method to unmap the name.

### partner methods

Methods that provide related utility to this method

[map\_attr](/docs/maci/object/methods/map_attr.md)  ->  Map an attribute name\
[get\_all\_maps](/docs/maci/object/methods/get_all_maps.md)  ->  Get all parent and child maps\
[get\_parent\_maps](/docs/maci/object/methods/get_parent_maps.md)  ->  Get all parent maps\
[get\_child\_maps](/docs/maci/object/methods/get_child_maps.md)  ->  Get all child maps\
[get\_parent\_map\_chains](/docs/maci/object/methods/get_parent_map_chains.md)  ->  Get parent maps represented as a chain\
[is\_parent\_map](/docs/maci/object/methods/is_parent_map.md)  ->  Check if attribute name is a parent mapped with children\
[is\_child\_map](/docs/maci/object/methods/is_child_map.md)  ->  Check if attribute name is a child mapped to a parent

### parameters & arguments

Describes all parameter functionality and accepted data types

<details>

<summary>attr_name:  str</summary>

First and only required positional argument. Accepts strings

Use this parameter to pick the attribute name to release its map reference(s).

</details>


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