openapi: 3.1.0
info:
  title: RelativityOne Legal Hold Communications API
  description: The Legal Hold API enables matter and project management integration with external systems such as matter management platforms and HR systems. It provides endpoints for custodian management, preservation workflows, task tracking, entity management, and communication configuration. Authentication is handled via Microsoft Graph API.
  version: 1.0.0
  contact:
    url: https://platform.relativity.com/
  license:
    name: Proprietary
    url: https://www.relativity.com/terms-of-service/
servers:
- url: https://relativity.rest/api
  description: RelativityOne REST API
security:
- BearerAuth: []
tags:
- name: Communications
  description: Operations for legal hold communications and notifications
paths:
  /relativity-environment/v1/workspaces/{workspaceId}/legal-hold/projects/{projectId}/communications:
    post:
      operationId: createLegalHoldCommunication
      summary: Create Legal Hold Communication
      description: Creates a legal hold communication for a project, configuring escalation settings and reminder schedules.
      tags:
      - Communications
      parameters:
      - name: workspaceId
        in: path
        required: true
        description: The artifact ID of the workspace.
        schema:
          type: integer
      - name: projectId
        in: path
        required: true
        description: The artifact ID of the legal hold project.
        schema:
          type: integer
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateCommunicationRequest'
      responses:
        '200':
          description: Communication created successfully.
components:
  schemas:
    CreateCommunicationRequest:
      type: object
      required:
      - name
      - type
      properties:
        name:
          type: string
          description: Name of the communication.
        type:
          type: string
          enum:
          - InitialNotice
          - Reminder
          - Escalation
          - Release
          description: Type of legal hold communication.
        escalationEnabled:
          type: boolean
          description: Whether escalation reminders are enabled.
        reminderIntervalDays:
          type: integer
          description: Number of days between reminder notifications.
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: Bearer token obtained via Microsoft Graph API OAuth flow.