## fetch_dsd_schema()


Fetch a DSD schema from a Fusion Metadata Registry (FMR).


Usage

``` python
fetch_dsd_schema(
    fmr_params,
    env,
    dsd_id,
)
```


> **Warning: Deprecated since version Use**
>
> [fetch_schema()](fetch_schema.md#tidysdmx.fetch_schema) instead.


## Parameters


`fmr_params: dict`  
Base URL and endpoints to access FMR's API.

`env: str`  
FMR environment (e.g. `'sandbox'`, `'qa'`, `'dev'`, `'prod'`).

`dsd_id: str`  
The DSD identifier in the format `"agency:id(version)"`.


## Returns


`Schema`  
The schema of the requested Data Structure Definition.


## Raises


`ValueError`  
If the URL is not syntactically valid.