> ## Documentation Index > Fetch the complete documentation index at: https://docs.aiinsurance.io/llms.txt > Use this file to discover all available pages before exploring further. # Update Expected Totals > Updates the expected total for a transaction category on an event. This endpoint is used to set or update reserve amounts for categories that support reserves. **Important:** Amounts are in **dollars** (not cents) for this endpoint. **Required permission:** `company.claim:update` or `company.incident:update` (depending on event type) ## OpenAPI ````yaml /openapi/generated-external-api.yaml patch /api/external/companies/{companyId}/events/{eventId}/financials/expected-totals openapi: 3.0.3 info: title: AI Insurance External API description: External API for AI Insurance platform version: 1.0.0 contact: email: support@aiinsurance.io servers: - url: https://app.aiinsurance.io description: Production security: - ApiKeyAuth: [] paths: /api/external/companies/{companyId}/events/{eventId}/financials/expected-totals: patch: tags: - Event Financials summary: Update Expected Totals description: > Updates the expected total for a transaction category on an event. This endpoint is used to set or update reserve amounts for categories that support reserves. **Important:** Amounts are in **dollars** (not cents) for this endpoint. **Required permission:** `company.claim:update` or `company.incident:update` (depending on event type) operationId: updateEventExpectedTotals parameters: - $ref: '#/components/parameters/companyId' - $ref: '#/components/parameters/eventId' requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/UpdateExpectedTotalsRequest' examples: updateIndemnityReserve: summary: Update indemnity reserve value: type: claim categoryId: indemnity_invoice expectedTotal: 15000 updateWithAsOfDate: summary: Historical update with asOfDate value: type: claim categoryId: alae_invoice expectedTotal: 5000 asOfDate: '2025-01-01' responses: '200': description: Expected total updated successfully content: application/json: schema: $ref: '#/components/schemas/UpdateExpectedTotalsResponse' examples: success: summary: Reserve updated value: eventId: 550e8400-e29b-41d4-a716-446655440001 categoryId: indemnity_invoice expectedTotal: 15000 reserves: 10000 '400': description: Bad Request - Validation error content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' examples: missingRequiredField: summary: Missing required field value: error: code: KeyMissing message: 'type: Required keys were missing' details: - field: type message: Required keys were missing invalidCategory: summary: Invalid category or category doesn't support reserves value: error: code: VALIDATION_ERROR message: >- Category 'unknown_category' is not valid or does not support reserves negativeAmount: summary: Negative expectedTotal value: error: code: VALIDATION_ERROR message: expectedTotal must be greater than or equal to 0 typeMismatch: summary: Event type doesn't match request type value: error: code: VALIDATION_ERROR message: >- Event type 'incident' does not match request type 'claim' '401': $ref: '#/components/responses/Unauthorized' '403': $ref: '#/components/responses/Forbidden' '404': description: Event not found content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' examples: eventNotFound: summary: Event not found value: error: code: NOT_FOUND message: Event not found '500': $ref: '#/components/responses/InternalServerError' components: parameters: companyId: name: companyId in: path required: true schema: type: string format: uuid description: Company identifier eventId: name: eventId in: path required: true schema: type: string format: uuid description: Event identifier schemas: UpdateExpectedTotalsRequest: type: object description: Request body for updating expected totals on an event required: - type - categoryId - expectedTotal properties: type: $ref: '#/components/schemas/EventType' categoryId: type: string description: Transaction category identifier (must support reserves) expectedTotal: type: number minimum: 0 description: Expected total amount in dollars (not cents) asOfDate: type: string format: date description: Historical date for the update (YYYY-MM-DD, optional) UpdateExpectedTotalsResponse: type: object description: Response from updating expected totals properties: eventId: type: string format: uuid description: Event identifier categoryId: type: string description: Transaction category identifier expectedTotal: type: number nullable: true description: Updated expected total in dollars (null if not found) reserves: type: number nullable: true description: Reserve amount for the category in dollars (null if not applicable) ErrorResponse: type: object description: Standard error response for all external API endpoints required: - error properties: error: type: object required: - code - message properties: code: type: string description: Machine-readable error code example: VALIDATION_ERROR message: type: string description: Human-readable error message example: 'submissionId: Required field is missing' details: type: array description: Additional details for validation errors (field-level errors) items: type: object properties: field: type: string description: The field that caused the error example: submissionId message: type: string description: Description of the field error example: Required field is missing EventType: type: string description: Type of event (claim or incident) enum: - claim - incident responses: Unauthorized: description: Unauthorized - Invalid or missing API key content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' examples: missingApiKey: summary: Missing API key value: error: code: UNAUTHORIZED message: Authorization header is required bearerTokenNotAllowed: summary: Bearer token used instead of API key value: error: code: UNAUTHORIZED message: External API endpoints require API key authentication Forbidden: description: Forbidden - Insufficient permissions content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' examples: insufficientPermissions: summary: Insufficient permissions value: error: code: FORBIDDEN message: Insufficient permissions to perform this action InternalServerError: description: Internal Server Error - Unexpected error occurred content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' examples: internalError: summary: Unexpected server error value: error: code: INTERNAL_ERROR message: An unexpected error occurred. Please try again later. securitySchemes: ApiKeyAuth: type: apiKey in: header name: Authorization description: >- API key authentication. Include your API key in the Authorization header. ````