## errors.InvalidColumnNameError


A column name has a character Dagster does not allow in an asset check name.


Usage

``` python
errors.InvalidColumnNameError(
    schema_name,
    columns,
)
```


Raised at definition time (ADR-0008). Dagster allows only `A-Za-z0-9_`, and this package builds one check name per rule from the column name.


## Methods

| Name | Description |
|----|----|
| [__init__()](#__init__) | Name only the columns whose names are invalid. |

------------------------------------------------------------------------


#### \_\_init\_\_()


Name only the columns whose names are invalid.


Usage

``` python
__init__(schema_name, columns)
```