Amazon Redshift will no longer support the creation of new Python UDFs starting Patch 198. Existing Python UDFs will continue to function until June 30, 2026. For more information, see the [ blog post ](https://aws.amazon.com/blogs/big-data/amazon-redshift-python-user-defined-functions-will-reach-end-of-support-after-june-30-2026/). 

# SET\$1CONFIG
<a name="r_SET_CONFIG"></a>

Sets a configuration parameter to a new setting.

 This function is equivalent to the SET command in SQL.

## Syntax
<a name="r_SET_CONFIG-synopsis"></a>

```
SET_CONFIG('parameter', 'new_value' , is_local)
```

The following statement sets a session context variable to a new setting.

```
set_config('variable_name', 'new_value' , is_local)
```

## Arguments
<a name="r_SET_CONFIG-parameters"></a>

 *parameter*   
Parameter to set.

 *variable\$1name*   
The name of the variable to set.

 *new\$1value*   
New value of the parameter.

 *is\$1local*   
If true, parameter value applies only to the current transaction. Valid values are `true` or `1` and `false` or `0`. 

## Return type
<a name="r_SET_CONFIG-return-type"></a>

Returns a `CHAR` or `VARCHAR` string.

## Examples
<a name="r_SET_CONFIG-examples"></a>

To set the value of the `query_group` parameter to `test` for the current transaction only, use the following example. 

```
SELECT SET_CONFIG('query_group', 'test', true);

+------------+
| set_config |
+------------+
| test       |
+------------+
```

To set session context variables, use the following example. 

```
SELECT SET_CONFIG(‘app.username’, ‘cuddy’, FALSE);
```