> ## Documentation Index > Fetch the complete documentation index at: https://docs.domesystems.ai/llms.txt > Use this file to discover all available pages before exploring further. # Rollback Filter ## OpenAPI ````yaml POST /v1/guards/filters/{filter_id}/rollback openapi: 3.0.3 info: title: Dome Platform API description: Connect and REST APIs for the Dome agent governance platform. version: 2.0.0 servers: - url: https://api.domesystems.ai description: Production security: [] tags: - name: Agents - name: Authorization - name: Guards - name: Tools - name: Tool Catalog - name: Models - name: Model Pools - name: Quotas - name: Gateways - name: Webhooks - name: Audit - name: Workspaces - name: Access Control - name: Tenants - name: Platform Keys - name: Enrollment - name: Platform - name: Identity paths: /v1/guards/filters/{filter_id}/rollback: post: tags: - Guards operationId: Management_RollbackFilter parameters: - name: filter_id in: path required: true schema: type: string requestBody: content: application/json: schema: $ref: '#/components/schemas/RollbackFilterRequest' required: true responses: '200': description: OK content: application/json: schema: $ref: '#/components/schemas/RollbackFilterResponse' components: schemas: RollbackFilterRequest: type: object properties: workspace_id: type: string filter_id: type: string target_version_id: type: string description: The version to copy into a new active version. RollbackFilterResponse: type: object properties: filter: $ref: '#/components/schemas/Filter' Filter: type: object properties: id: type: string workspace_id: type: string name: type: string description: type: string config: allOf: - $ref: '#/components/schemas/FilterConfig' description: The active version's config. version: type: integer description: >- The active version number (1-based). 0 only if no version exists yet. format: int32 created_at: type: string format: date-time updated_at: type: string format: date-time kind: type: integer description: |- The immutable content kind (text or json). Derived from the config's oneof arm at create time; never changes. format: enum description: >- Filter is the logical, workspace-scoped Filter entity: a stable id + mutable metadata (name, description), plus its ACTIVE version's config denormalized for the common "show me this filter" read. Version history is a separate FilterVersion list (ListFilterVersions). Editing deploys a new active version; assignments follow the active version. FilterConfig: type: object properties: text: $ref: '#/components/schemas/TextFilterConfig' json: $ref: '#/components/schemas/JSONFilterConfig' description: |- FilterConfig is one Filter entity version's full config. A Filter is either an ordered chain of text-compatible filtering components or an ordered chain of JSON-field-compatible components. TextFilterConfig: type: object properties: components: type: array items: $ref: '#/components/schemas/TextContentFilter' description: |- TextFilterConfig is an ordered chain of text-content filter components, applied in order and compiled into a CompositeFilter. JSONFilterConfig: type: object properties: components: type: array items: $ref: '#/components/schemas/JSONFieldFilter' description: >- JSONFilterConfig is an ordered chain of JSON-field filter components, applied in order and compiled into a composite JSON filter. TextContentFilter: type: object properties: action: type: integer format: enum matchers: type: array items: $ref: '#/components/schemas/Matcher' description: >- TextContentFilter scans assistant text and either redacts matched spans or blocks the response, per its matchers. It owns its action (whole-component: all its matchers share one FilterAction). JSONFieldFilter: type: object properties: field_actions: type: array items: $ref: '#/components/schemas/FieldAction' description: |- JSONFieldFilter describes a set of FieldActions: each identifies a field based on configuration, and performs a FilterAction on it. * REDACT rewrites the field value with a redaction sentinel. * BLOCK withholds the entire structured content. * OMIT removes the matched key/value pair. If multiple FieldActions for the same path are set, BLOCK > OMIT > REDACT. Matcher: type: object properties: substring: $ref: '#/components/schemas/SubstringMatcher' ssn: $ref: '#/components/schemas/SsnMatcher' credit_card: $ref: '#/components/schemas/CreditCardMatcher' phone: $ref: '#/components/schemas/PhoneMatcher' digits: $ref: '#/components/schemas/DigitsMatcher' description: Matcher is one match rule within a TextContentFilter. FieldAction: type: object properties: field: type: string action: type: string reason: type: string SubstringMatcher: type: object properties: value: type: string description: SubstringMatcher matches every occurrence of a fixed substring. SsnMatcher: type: object properties: delimiters: type: array items: type: integer format: enum description: Allowed separators between groups, empty => {space, hyphen} description: >- SsnMatcher matches US Social Security Number patterns, digit groups [3,2,4]. CreditCardMatcher: type: object properties: delimiters: type: array items: type: integer format: enum require_luhn: type: boolean min_digits: type: integer format: uint32 max_digits: type: integer format: uint32 description: >- CreditCardMatcher matches 13–19 digit card numbers, optionally validated by the Luhn checksum. PhoneMatcher: type: object properties: delimiters: type: array items: type: integer format: enum group_sizes: type: array items: type: integer format: uint32 require_country_code: type: boolean require_parens: type: boolean description: PhoneMatcher matches telephone numbers, default US groups [3,3,4]. DigitsMatcher: type: object properties: digits: type: integer format: uint32 group_sizes: type: array items: type: integer format: uint32 delimiters: type: array items: type: integer format: enum description: |- DigitsMatcher matches an arbitrary N-digit number, optionally split into fixed-size groups. ````