---
layout: docs
page_title: roles set-principals - Command
description: >-
The "roles set-principals" command sets the complete set of principals on an existing role resource. Principals can be users or groups.
---
# roles set-principals
Command: `roles set-principals`
The `roles set-principals` command lets you set the complete set of principals on a role.
Principals can be users or groups.
You can specify multiple principals per role.
## Example
This example sets the principals `u_anon` and `sg_1234567890` on a role with the ID `r_1234567890`:
```shell-session
$ boundary roles set-principals -id r_1234567890 -principal u_anon -principal sg_1234567890
```
## Usage
```shell-session
$ boundary roles set-principals [options] [args]
```
### Command options
- `-id=` - The ID of the role you want to set principals on.
- `-principal=` - The principals you want to set on the role.
Principals can be users or groups.
You can optionally specify multiple principals per role.
- `-version=` The version of the role to set principals on.
If you do not specify a version, the command performs a check-and-set automatically.
@include 'cmd-option-note.mdx'