> ## Documentation Index
> Fetch the complete documentation index at: https://docs.dados.rio/llms.txt
> Use this file to discover all available pages before exploring further.

# Assign Role To Group

> Assign role to group.
Implements POST /groups/{groupName}/roles as specified in SPEC.md Section 3.4.



## OpenAPI

````yaml https://raw.githubusercontent.com/prefeitura-rio/heimdall/main/docs/api/openapi.json post /api/v1/roles/groups/{group_name}/roles
openapi: 3.1.0
info:
  title: Heimdall Admin Service
  description: >-
    # Heimdall Admin Service API


    A comprehensive admin service for user and group management with
    authorization powered by Cerbos.


    ## Features


    - **User Management**: Automatic user creation from JWT tokens with
    role-based access control

    - **Group Management**: Create, manage, and assign users to groups with
    hierarchical permissions

    - **Role Management**: Define and assign roles to users and groups

    - **Mapping Management**: Configure API endpoint to action mappings for
    authorization

    - **Action Management**: Define available actions for fine-grained
    permission control

    - **Cerbos Integration**: Policy-based authorization with external Cerbos
    service

    - **Audit Logging**: Comprehensive audit trail for all administrative
    operations

    - **Redis Caching**: High-performance caching for frequently accessed data
  version: 1.0.0
servers:
  - url: https://services.pref.rio/heimdall-admin
    description: Production server
  - url: https://services.staging.app.dados.rio/heimdall-admin
    description: Staging server
security: []
tags:
  - name: health
    description: Service health and readiness checks
  - name: users
    description: >-
      User management operations. Users are automatically created from JWT
      tokens.
  - name: groups
    description: >-
      Group management operations. Groups organize users and can have roles
      assigned.
  - name: memberships
    description: Group membership management. Assign and remove users from groups.
  - name: roles
    description: >-
      Role management operations. Roles define permissions that can be assigned
      to users or groups.
  - name: actions
    description: >-
      Action management operations. Actions define the granular permissions
      available in the system.
  - name: mappings
    description: >-
      API endpoint to action mapping configuration. Maps HTTP endpoints to
      authorization actions.
paths:
  /api/v1/roles/groups/{group_name}/roles:
    post:
      tags:
        - roles
      summary: Assign Role To Group
      description: >-
        Assign role to group.

        Implements POST /groups/{groupName}/roles as specified in SPEC.md
        Section 3.4.
      operationId: assign_role_to_group_api_v1_roles_groups__group_name__roles_post
      parameters:
        - name: group_name
          in: path
          required: true
          schema:
            type: string
            title: Group Name
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/RoleAssignRequest'
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/RoleAssignmentResponse'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
      security:
        - HTTPBearer: []
components:
  schemas:
    RoleAssignRequest:
      properties:
        role_name:
          type: string
          pattern: ^[a-z0-9_:]+$
          title: Role Name
          description: >-
            Name of the role to assign to the group (lowercase letters, numbers,
            underscores, and colons only)
          example: data_analyst:read
      type: object
      required:
        - role_name
      title: RoleAssignRequest
      description: Request model for assigning a role to a group.
      example:
        role_name: data_analyst:read
    RoleAssignmentResponse:
      properties:
        status:
          type: string
          title: Status
          description: Status of the role assignment operation
          example: success
        group:
          type: string
          title: Group
          description: Name of the group the role was assigned to
          example: engineering_team:backend
        role:
          type: string
          title: Role
          description: Name of the role that was assigned
          example: data_analyst:read
      type: object
      required:
        - status
        - group
        - role
      title: RoleAssignmentResponse
      description: Response model for role assignment operations.
      example:
        group: engineering_team:backend
        role: data_analyst:read
        status: success
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
              - type: string
              - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
      type: object
      required:
        - loc
        - msg
        - type
      title: ValidationError
  securitySchemes:
    HTTPBearer:
      type: http
      scheme: bearer

````