# File contents resolver

The file contents resolver reads a file and uses the file contents as a parameter value.

### Properties

Here are the properties of the file contents resolver:

| Key          | Required | Type    | Description                                                                        |
| ------------ | -------- | ------- | ---------------------------------------------------------------------------------- |
| resolver     | yes      | string  | Resolver name, this must be **file-contents**.                                     |
| file         | yes      | string  | Path to file. Can be an absolute path or a path relative to the project directory. |
| confidential | no       | boolean | Conceal the resolved parameter value from logs, defaults to **false**              |
| immutable    | no       | boolean | Mark the parameter as immutable, defaults to **false**                             |

### Examples

Use contents of the **/tmp/commit.txt** file as parameter value:

```yaml
parameters:
  CommitHash:
    resolver: file-contents
    file: /tmp/commit.txt
```

Use a relative file path:

```yaml
parameters:
  Code:
    resolver: file-contents
    file: code.txt
```

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