> ## Documentation Index > Fetch the complete documentation index at: https://docs.clinia.com/llms.txt > Use this file to discover all available pages before exploring further. # Retrieve a unified resource from mdm collection using its id > Retrieve a unified resource from mdm collection using its id. ## OpenAPI ````yaml /api-reference/mdm.yml get /mdm/v1/collections/{collectionKey}/resources/{resourceId} openapi: 3.0.1 info: title: MDM API version: 1.0.0 servers: - url: https://api.{workspaceId}.clinia.cloud variables: workspaceId: default: '' description: The workspace id. security: - apiKey: [] - basicHttpAuth: [] - bearerHttpAuth: [] tags: - name: Collections description: Management of collections. - name: Relationship Definitions description: Management of relationship definitions. paths: /mdm/v1/collections/{collectionKey}/resources/{resourceId}: get: tags: - Collections summary: Retrieve a unified resource from mdm collection using its id description: | Retrieve a unified resource from mdm collection using its id. operationId: GetUnifiedResource parameters: - name: collectionKey in: path description: Key of the collection. required: true schema: type: string - name: resourceId in: path required: true description: > The Unified resource id.. Can also be an identifier with one of the following formats: - `source:{sourceRecordId}:{sourceKey}.{sourceRecordType}` (e.g. `source:123:mySourceA.clinic`). This is useful to fetch a record when knowing its source record id. schema: type: string responses: '200': description: A successful response. content: application/json: schema: $ref: '#/components/schemas/V1UnifiedResource' '404': description: Returned when unified resource does not exist. content: application/json: schema: $ref: '#/components/schemas/v1Error' '429': $ref: '#/components/responses/v1TooManyRequestError' '504': $ref: '#/components/responses/v1GatewayTimeoutError' components: schemas: V1UnifiedResource: type: object readOnly: true required: - id - type - meta - sourceResources properties: id: description: is the id of the unified resource. type: string type: description: is the type of the unified resource. type: string meta: $ref: '#/components/schemas/V1UnifiedResourceMeta' sourceResources: type: array description: is the list of source resources of the unified resource. items: $ref: '#/components/schemas/v1SourceDomainResource' v1Error: type: object required: - code - message - type properties: code: $ref: '#/components/schemas/v1ErrorCode' message: type: string type: $ref: '#/components/schemas/v1ErrorType' details: description: list of errors that occurred if applicable. type: array items: $ref: '#/components/schemas/v1Error' additionalContext: type: object additionalProperties: true V1UnifiedResourceMeta: type: object description: is the metadata of the unified resource. properties: createdAt: type: string format: date-time updatedAt: type: string format: date-time identifier: type: array description: Identifiers of the resource. items: $ref: '#/components/schemas/v1Identifier' v1SourceDomainResource: type: object allOf: - $ref: '#/components/schemas/v1DomainResourceBase' - $ref: '#/components/schemas/v1SourceContainedResources' v1ErrorCode: type: integer format: int32 enum: - 400 - 401 - 403 - 404 - 408 - 409 - 413 - 429 - 500 - 501 - 504 v1ErrorType: type: string enum: - ALREADY_EXISTS - FAILED_PRECONDITION - INTERNAL - INVALID_ARGUMENT - NOT_FOUND - OUT_OF_RANGE - UNIMPLEMENTED - PERMISSION_DENIED - UNAUTHENTICATED - CONTENT_TOO_LARGE - REQUEST_TIMEOUT - TOO_MANY_REQUEST - GATEWAY_TIMEOUT v1Identifier: description: >- An identifier - identifies some entity uniquely and unambiguously. Typically this is used for business identifiers. properties: id: description: >- Unique id for the property within a resource (for internal references). This may be any string value that does not contain spaces. allOf: - $ref: '#/components/schemas/v1Symbol' system: description: >- Establishes the namespace for the value - that is, a URL that describes a set values that are unique. allOf: - $ref: '#/components/schemas/v1Uri' value: description: >- The portion of the identifier typically relevant to the user and which is unique within the context of the system. allOf: - $ref: '#/components/schemas/v1Symbol' use: description: The purpose of this identifier. allOf: - $ref: '#/components/schemas/v1Code' period: description: Time period when identifier was/is in use. allOf: - $ref: '#/components/schemas/v1Period' additionalProperties: false v1DomainResourceBase: required: - id - type - data type: object properties: id: title: The logical identifier type: string readOnly: true type: description: Type of the resource. type: string readOnly: true meta: $ref: '#/components/schemas/v1Meta' data: title: The dynamic attributes based on the resource type type: object x-is-generic: true additionalProperties: false v1SourceContainedResources: type: object properties: contained: description: >- Resources contained in this top-level resource. Contained resources exists only within the context of this top-level resource. type: object additionalProperties: type: array items: allOf: - $ref: '#/components/schemas/v1SourceResource' additionalProperties: false v1Symbol: pattern: ^[\s\S]+$ type: string description: A sequence of Unicode characters. v1Uri: pattern: ^\S*$ type: string description: String of characters used to identify a name or a resource. v1Code: pattern: ^[^\s]+( [^\s]+)*$ type: string description: >- A string which has at least one character and no leading or trailing whitespace and where there is no whitespace other than single spaces in the contents. v1Period: type: object description: A time period defined by a start and end date and optionally time. properties: id: $ref: '#/components/schemas/v1Symbol' description: >- Unique id for the property within a resource (for internal references). This may be any string value that does not contain spaces. start: $ref: '#/components/schemas/v1DateTime' description: The start of the period. The boundary is inclusive. end: $ref: '#/components/schemas/v1DateTime' description: >- The end of the period. If the end of the period is missing, it means no end was known or planned at the time the instance was created. The start may be in the past, and the end date in the future, which means that period is expected/planned to end at that time. additionalProperties: false v1Meta: type: object properties: createdAt: type: string description: Instant of creation of the resource. format: date-time identifier: type: array description: | Identifiers of the resource. Note: Combination of `source`, `value` and `use` must be unique. items: $ref: '#/components/schemas/v1Identifier' source: type: string description: The source of the resource. readOnly: true updatedAt: type: string description: Last update of the resource. format: date-time additionalProperties: false v1SourceResource: allOf: - $ref: '#/components/schemas/v1Resource' v1DateTime: pattern: >- ^([0-9]([0-9]([0-9][1-9]|[1-9]0)|[1-9]00)|[1-9]000)(-(0[1-9]|1[0-2])(-(0[1-9]|[1-2][0-9]|3[0-1])(T([01][0-9]|2[0-3]):[0-5][0-9]:([0-5][0-9]|60)(\.[0-9]{1,9})?)?)?(Z|(\+|-)((0[0-9]|1[0-3]):[0-5][0-9]|14:00)?)?)?$ type: string description: >- A date, date-time or partial date (e.g. just year or year + month). If hours and minutes are specified, a time zone SHALL be populated. The format is a union of the schema types gYear, gYearMonth, date and dateTime. Seconds must be provided due to schema type constraints but may be zero-filled and may be ignored. Dates SHALL be valid dates. v1Resource: required: - id - type - data type: object properties: id: title: The logical identifier type: string type: description: Type of the resource. type: string meta: $ref: '#/components/schemas/v1Meta' data: title: The dynamic attributes based on the resource type type: object x-is-generic: true additionalProperties: false responses: v1TooManyRequestError: description: Returned when the server starts throttling the requests. content: application/json: schema: $ref: '#/components/schemas/v1Error' v1GatewayTimeoutError: description: Returned when the request exceeds the server timeout window. content: application/json: schema: $ref: '#/components/schemas/v1Error' securitySchemes: apiKey: type: apiKey in: header name: X-Clinia-API-Key basicHttpAuth: description: Basic HTTP authentication. type: http scheme: basic bearerHttpAuth: description: JWT Bearer authentication. type: http scheme: Bearer bearerFormat: JWT ````