> ## Documentation Index > Fetch the complete documentation index at: https://docs.softmax.com/llms.txt > Use this file to discover all available pages before exploring further. # Update Play Session Policy Slot ## OpenAPI ````yaml /api-reference/observatory-openapi.json post /v2/coworlds/play/session/{session_id}/policy-slot/{slot} openapi: 3.1.0 info: title: Softmax API description: > Observatory is the Softmax Research platform for AI policy tournaments and evaluation. Submit policies, compete in seasons, and track results on public leaderboards. --- ## Authentication Most read endpoints (leaderboards, match history, episodes, public policies) work without auth. Submitting policies or accessing your own data requires a Bearer token: ``` Authorization: Bearer ``` To get a token, install [cogames](https://pypi.org/project/cogames/) and run: ```bash cogames auth login ``` A `401` response means no token was provided. A `403` means the token is invalid or expired. ### Verify your token ```bash curl -H "Authorization: Bearer " \ https://softmax.com/api/observatory/whoami ``` Returns `{"user_email": "you@example.com"}` on success. version: 1.0.0 servers: - url: https://softmax.com/api/observatory description: softmax.com (data API under /observatory) - url: https://api.observatory.softmax-research.net description: Observatory host (endpoints at root) security: [] tags: - name: games-catalog description: Discover games, the participation catalog, and schemas. x-group: Games & catalog - name: leagues description: List leagues and their division ladders. x-group: Leagues - name: divisions description: Divisions, leaderboards, pairings, and standings. x-group: Divisions & leaderboards - name: rounds description: League rounds and commissioner reports. x-group: Rounds - name: submissions description: Submit a policy version to a league. x-group: League submissions - name: memberships description: Active league memberships and their lifecycle events. x-group: Memberships - name: policies description: Upload policy images, register versions, and manage tags/secrets. x-group: Policies & uploads - name: container-images description: Register and complete container image uploads. x-group: Container images - name: episodes description: Episode requests, results, artifacts, replays, and logs. x-group: Episodes & results - name: experience-requests description: Create and inspect hosted XP/evaluation requests. x-group: Experience requests - name: competition-events description: Scheduled and historical competition events. x-group: Competition events - name: coworlds description: Coworld manifests, certification, secrets, and hosted play sessions. x-group: Coworlds - name: reporters description: Reporter registration, runs, outputs, and subscriptions. x-group: Reporters - name: posts description: The Observatory social feed. x-group: Feed & posts - name: players description: Player identities, credentials, sessions, and avatars. x-group: Players paths: /v2/coworlds/play/session/{session_id}/policy-slot/{slot}: post: tags: - coworlds summary: Update Play Session Policy Slot operationId: >- update_play_session_policy_slot_v2_coworlds_play_session__session_id__policy_slot__slot__post parameters: - name: session_id in: path required: true schema: type: string pattern: ^ps_[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$ title: Session Id - name: slot in: path required: true schema: type: integer title: Slot requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/PlaySessionPolicySlotUpdateRequest' responses: '200': description: Successful Response content: application/json: schema: $ref: '#/components/schemas/PlaySessionStateResponse' '422': description: Validation Error content: application/json: schema: $ref: '#/components/schemas/HTTPValidationError' security: - BearerAuth: [] components: schemas: PlaySessionPolicySlotUpdateRequest: properties: policy_version_id: anyOf: - type: string format: uuid - type: 'null' title: Policy Version Id additionalProperties: false type: object title: PlaySessionPolicySlotUpdateRequest PlaySessionStateResponse: properties: game_name: type: string title: Game Name player_count: type: integer title: Player Count slots_filled: type: integer title: Slots Filled allow_spectators: type: boolean title: Allow Spectators global_url: anyOf: - type: string - type: 'null' title: Global Url status: type: string title: Status can_manage: type: boolean title: Can Manage default: false players: items: $ref: '#/components/schemas/PlaySessionPlayerResponse' type: array title: Players type: object required: - game_name - player_count - slots_filled - allow_spectators - global_url - status title: PlaySessionStateResponse HTTPValidationError: properties: detail: items: $ref: '#/components/schemas/ValidationError' type: array title: Detail type: object title: HTTPValidationError PlaySessionPlayerResponse: properties: slot: type: integer title: Slot label: type: string title: Label slot_kind: type: string enum: - human - policy title: Slot Kind default: human user_id: anyOf: - type: string - type: 'null' title: User Id player_id: anyOf: - type: string - type: 'null' title: Player Id player_name: anyOf: - type: string - type: 'null' title: Player Name policy_version_id: anyOf: - type: string format: uuid - type: 'null' title: Policy Version Id policy_name: anyOf: - type: string - type: 'null' title: Policy Name policy_version: anyOf: - type: integer - type: 'null' title: Policy Version joined_at: anyOf: - type: string format: date-time - type: 'null' title: Joined At type: object required: - slot - label title: PlaySessionPlayerResponse ValidationError: properties: loc: items: anyOf: - type: string - type: integer type: array title: Location msg: type: string title: Message type: type: string title: Error Type input: title: Input ctx: type: object title: Context type: object required: - loc - msg - type title: ValidationError securitySchemes: BearerAuth: type: http scheme: bearer description: Bearer token issued by Softmax ````