## rain fmt

Format CloudFormation templates

### Synopsis

Reads CloudFormation templates from filename arguments (or stdin if no filenames are supplied) and formats them

```
rain fmt <filename>...
```

### Options

```
      --datamodel            Output the go yaml data model
      --debug                Output debugging information
  -h, --help                 help for fmt
  -j, --json                 Output the template as JSON (default format: YAML).
      --node-style string    Set the node output style to tagged, doublequoted, singlequoted, literal, folded, strict-boolean, quotescalars, original, or flow
  -p, --pkl                  Output the template as Pkl (default format: YAML).
      --pkl-basic            Don't use Pkl modules for output
      --pkl-package string   An alias or full package URI for the Pkl package for generated Pkl files (default "@cfn")
      --uncdk                Remove CDK Metadata and simplify logical ids
  -u, --unsorted             Do not sort the template's properties.
  -v, --verify               Check if the input is already correctly formatted and exit.
                             The exit status will be 0 if so and 1 if not.
  -w, --write                Write the output back to the file rather than to stdout.
```

### Options inherited from parent commands

```
      --no-colour   Disable colour output
```

### SEE ALSO

* [rain](index.md)	 - 

###### Auto generated by spf13/cobra on 23-Apr-2026