> ## Documentation Index
> Fetch the complete documentation index at: https://cdktn.io/docs/llms.txt
> Use this file to discover all available pages before exploring further.
# Python: LocalExecProvisioner
> CDKTN Core API Reference for LocalExecProvisioner in Python.
The local-exec provisioner invokes a local executable after a resource is created.
This invokes a process on the machine running Terraform, not on the resource.
See [local-exec](https://developer.hashicorp.com/terraform/language/resources/provisioners/local-exec)
## Initializer
```python theme={null}
import cdktn
cdktn.LocalExecProvisioner(
command: str,
type: str,
environment: typing.Mapping[str] = None,
interpreter: typing.List[str] = None,
when: str = None,
working_dir: str = None
)
```
## Properties
| **Name** | **Type** | **Description** |
| --------------------------------------------------------------------------------------- | --------------------------------- | --------------------------------------------------------------------------------- |
| command | str | This is the command to execute. |
| type | str | *No description.* |
| environment | typing.Mapping\[str] | A record of key value pairs representing the environment of the executed command. |
| interpreter | typing.List\[str] | If provided, this is a list of interpreter arguments used to execute the command. |
| when | str | If provided, specifies when Terraform will execute the command. |
| working\_dir | str | If provided, specifies the working directory where command will be executed. |
***
### `command`Required
```python theme={null}
command: str
```
* *Type:* str
This is the command to execute.
It can be provided as a relative path to the current working directory or as an absolute path.
It is evaluated in a shell, and can use environment variables or Terraform variables.
***
### `type`Required
```python theme={null}
type: str
```
* *Type:* str
***
### `environment`Optional
```python theme={null}
environment: typing.Mapping[str]
```
* *Type:* typing.Mapping\[str]
A record of key value pairs representing the environment of the executed command.
It inherits the current process environment.
***
### `interpreter`Optional
```python theme={null}
interpreter: typing.List[str]
```
* *Type:* typing.List\[str]
If provided, this is a list of interpreter arguments used to execute the command.
The first argument is the interpreter itself.
It can be provided as a relative path to the current working directory or as an absolute path
The remaining arguments are appended prior to the command.
This allows building command lines of the form "/bin/bash", "-c", "echo foo".
If interpreter is unspecified, sensible defaults will be chosen based on the system OS.
***
### `when`Optional
```python theme={null}
when: str
```
* *Type:* str
If provided, specifies when Terraform will execute the command.
For example, when = destroy specifies that the provisioner will run when the associated resource is destroyed
***
### `working_dir`Optional
```python theme={null}
working_dir: str
```
* *Type:* str
If provided, specifies the working directory where command will be executed.
It can be provided as a relative path to the current working directory or as an absolute path.
The directory must exist.
***