> ## Documentation Index > Fetch the complete documentation index at: https://devdocs.xbox.com/llms.txt > Use this file to discover all available pages before exploring further. # Set Title Data And Overrides > Set and delete key-value pairs in a title data override instance. ## Error codes This operation may return the following PlayFab errors: | Error | Code | | --- | --- | | DataLengthExceeded | 1146 | | DuplicateKeys | 1509 | | InvalidParams | 1000 | | TooManyKeys | 1147 | ## OpenAPI ````yaml /services/playfab/api-references/rest/admin/admin.openapi.json post /Admin/SetTitleDataAndOverrides openapi: 3.0.0 info: version: '260922' title: PlayFab Admin API description: >- APIs for managing title configurations, uploaded Game Server code executables, and user data termsOfService: https://playfab.com/terms/ contact: url: https://community.playfab.com/index.html license: name: Apache 2.0 url: https://github.com/PlayFab/API_Specs/blob/master/LICENSE servers: - url: https://{titleId}.playfabapi.com description: PlayFab title endpoint variables: titleId: default: your_title_id description: Your PlayFab title ID (hex). security: [] tags: - name: Account Management description: Account Management APIs - name: Authentication description: Authentication APIs - name: Characters description: Characters APIs - name: Content description: Content Service APIs - name: Custom Server Management description: Custom Server Management APIs - name: Matchmaking description: Matchmaking APIs - name: Player Data Management description: Player Data Management APIs - name: Player Item Management description: Player Item Management APIs - name: PlayStream description: PlayStream Management APIs - name: ScheduledTask description: Task management APIs - name: Segments description: Segment management APIs - name: Server-Side Cloud Script description: Server-Side Cloud Script APIs - name: Shared Group Data description: Shared Group Data APIs - name: Title-Wide Data Management description: Title-Wide Data Management APIs - name: Xbox Store description: Xbox Store APIs paths: /Admin/SetTitleDataAndOverrides: post: tags: - Title-Wide Data Management summary: Set Title Data And Overrides description: | Set and delete key-value pairs in a title data override instance. ## Error codes This operation may return the following PlayFab errors: | Error | Code | | --- | --- | | DataLengthExceeded | 1146 | | DuplicateKeys | 1509 | | InvalidParams | 1000 | | TooManyKeys | 1147 | operationId: SetTitleDataAndOverrides requestBody: content: application/json: schema: $ref: '#/components/schemas/SetTitleDataAndOverridesRequest' description: >- Will set the given key values in the specified override or the primary title data based on whether the label is provided or not. responses: '200': $ref: '#/components/responses/SetTitleDataAndOverridesResult' '400': $ref: '#/components/responses/ApiErrorWrapper' security: - SecretKey: [] components: schemas: SetTitleDataAndOverridesRequest: description: >- Will set the given key values in the specified override or the primary title data based on whether the label is provided or not. type: object properties: KeyValues: description: >- List of titleData key-value pairs to set/delete. Use an empty value to delete an existing key; use a non-empty value to create/update a key. type: array items: $ref: '#/components/schemas/TitleDataKeyValue' x-isclass: true OverrideLabel: description: Name of the override. type: string required: - KeyValues example: OverrideLabel: Holiday title data TitleId: 8FF3A797 KeyValues: - Key: Running Speed Value: '1.03' - Key: Walking Speed Value: '0.05' TitleDataKeyValue: type: object properties: Key: description: >- Key we want to set a value on (note, this is additive - will only replace an existing key's value if they are the same name.) Keys are trimmed of whitespace. Keys may not begin with the '!' character. type: string Value: description: New value to set. Set to null to remove a value type: string SetTitleDataAndOverridesResult: type: object properties: {} ApiErrorWrapper: description: The basic wrapper around every failed API response type: object properties: code: description: Numerical HTTP code type: integer status: description: String HTTP code type: string error: description: Playfab error code type: string errorCode: description: Numerical PlayFab error code type: integer errorMessage: description: Description for the PlayFab errorCode type: string errorDetails: description: Detailed description of individual issues with the request object type: object required: - code - errorCode responses: SetTitleDataAndOverridesResult: description: '' content: application/json: schema: type: object properties: code: type: integer description: >- The Http status code. If X-ReportErrorAsSuccess header is set to true, this will report the actual http error code. status: type: string description: The Http status code as a string. data: $ref: '#/components/schemas/SetTitleDataAndOverridesResult' ApiErrorWrapper: description: This is the outer wrapper for all responses with errors content: application/json: schema: $ref: '#/components/schemas/ApiErrorWrapper' securitySchemes: SecretKey: type: apiKey in: header name: X-SecretKey description: >- This API requires a title secret key, available to title admins, from PlayFab Game Manager. ```` ## Related topics - [Set Title Data And Overrides](/services/playfab/api-references/rest/admin/title-wide-data-management/set-title-data-and-overrides.md) - [Title Data](/services/playfab/live-service-management/game-configuration/titledata/index.md) - [Delete Title Data Override](/services/playfab/api-references/rest/admin/title-wide-data-management/delete-title-data-override.md) - [Title Data quickstart](/services/playfab/live-service-management/game-configuration/titledata/quickstart.md) - [title_data_override_deleted](/services/playfab/api-references/events/TitleData/title-data-override-deleted.md)