> ## Documentation Index > Fetch the complete documentation index at: https://docs.timeback.com/llms.txt > Use this file to discover all available pages before exploring further. # Get a specific test part with all its sections > Retrieve a test part by identifier including all its sections and their assessment item references. Test parts define navigation and submission behaviors for groups of sections. Supports both JSON and XML response formats. ## OpenAPI ````yaml /openapi/beyond-ai/qti-api.yaml get /assessment-tests/{assessmentTestIdentifier}/test-parts/{identifier} openapi: 3.1.0 info: title: QTI API version: 1.0.0 description: >- A robust assessment engine implementing the QTI 3.0 specification, designed for creating, managing, and delivering educational assessments. servers: - url: https://qti.alpha-1edtech.ai/api description: Main Server security: - OAuth2: [] - MCP: [] tags: - name: Validation description: >- Validate XML strings against QTI compliant XSD files. XSD version supported is 3.0.0 (3p0) - name: Feedback description: Feedback for questions and lessons - name: Assessment Test Management description: >- Enables the management of Assessment Tests. Assessment Tests are the main entities that contain Assessment Test Parts, Sections, and Assessment Items. - name: Test Part Management description: >- Enables the management of Test Parts. Assessment Test Parts are used to group sections inside of an Assessment Test. - name: Section Management description: >- Enables the management of Sections. Assessment Sections are used to group Assessment Items. - name: Assessment Item Management description: >- Enables the management of Assessment ITems. Assessment Items are made up of QTI Interactions (e.g. questions, multiple choice, etc.). - name: Stimulus Management description: >- Enables the management of Stimuli. Stimuli are shared content pieces (text, images, audio, video) that provide context for assessment items and can be referenced by multiple questions. paths: /assessment-tests/{assessmentTestIdentifier}/test-parts/{identifier}: get: tags: - Test Part Management summary: Get a specific test part with all its sections description: >- Retrieve a test part by identifier including all its sections and their assessment item references. Test parts define navigation and submission behaviors for groups of sections. Supports both JSON and XML response formats. operationId: getTestPart parameters: - name: assessmentTestIdentifier description: The unique identifier of the parent assessment test in: path required: true schema: type: string - name: identifier description: The unique identifier of the test part to retrieve in: path required: true schema: type: string responses: '200': description: Successfully retrieved test part content: application/json: schema: type: object properties: identifier: type: string description: Unique identifier for the entity on the service provider. navigationMode: type: string enum: - linear - nonlinear description: >- Controls how learners navigate through the test part. 'linear' requires items to be responded to in sequence without jumping around, while 'nonlinear' allows candidates to respond to items in any order they choose. submissionMode: type: string enum: - individual - simultaneous description: >- Determines how learner responses are submitted for response processing. 'individual' allows responses to be submitted as each item is completed, while 'simultaneous' means responses for all items are sent when the whole part is completed. qti-assessment-section: type: array items: type: object properties: identifier: type: string description: >- Unique identifier for the entity on the service provider. title: type: string description: >- Human-readable title of the entity on the service provider. visible: type: boolean default: true description: >- Determines whether the assessment section is visible to candidates during test delivery. Sections are visible by default unless explicitly hidden for specific assessment conditions. required: type: boolean default: true description: >- If a child element is required it must appear (at least once) in the selection. fixed: type: boolean default: false description: >- If a child element is fixed it must never be shuffled. When used in combination with a selection rule fixed elements do not have their position fixed until after selection has taken place. sequence: type: integer exclusiveMinimum: 0 description: >- Defines the sequential order of this item within its parent section. Must be a positive integer that determines presentation order to candidates. qti-assessment-item-ref: type: array items: type: object properties: identifier: type: string description: >- Unique identifier for the entity on the service provider. href: type: string description: >- URI reference to the assessment item resource location on the service provider required: - identifier description: >- Assessment item reference schema for linking assessment items to sections description: >- Collection of assessment items that are referenced within this section. qti-pre-condition: type: array items: type: object additionalProperties: {} description: >- Array of QTI 3.0 pre-conditions. Each pre-condition contains a logical expression that is evaluated before the element is presented. If any pre-condition evaluates to false, the element is skipped. qti-branch-rule: type: array items: type: object additionalProperties: {} description: >- Array of QTI 3.0 branch rules. Each branch rule contains a logical expression that, when evaluated to true after the element is presented, causes the test to jump to the target identified by the rule. required: - identifier - title - visible description: >- Complete assessment section data with all referenced items. Represents a section containing learning content within a test part. qti-pre-condition: type: array items: type: object additionalProperties: {} description: >- Array of QTI 3.0 pre-conditions. Each pre-condition contains a logical expression that is evaluated before the element is presented. If any pre-condition evaluates to false, the element is skipped. qti-branch-rule: type: array items: type: object additionalProperties: {} description: >- Array of QTI 3.0 branch rules. Each branch rule contains a logical expression that, when evaluated to true after the element is presented, causes the test to jump to the target identified by the rule. required: - identifier - navigationMode - submissionMode - qti-assessment-section description: >- Complete test part data returned from the service provider. Contains all sections and their configuration. '404': description: Assessment test or test part not found content: application/json: schema: type: object properties: error: type: string required: - error '500': description: Internal Server Error content: application/json: schema: type: object properties: error: type: string description: Error type identifier message: type: string description: Human-readable error message eventId: type: string description: Sentry event ID for error tracking details: type: string description: Stack trace or additional error details required: - error - message - details description: Internal server error response components: securitySchemes: OAuth2: type: oauth2 flows: clientCredentials: scopes: https://purl.imsglobal.org/spec/qti/v3/scope/readonly: Read access to QTI https://purl.imsglobal.org/spec/qti/v3/scope/createput: Create and update access to QTI https://purl.imsglobal.org/spec/qti/v3/scope/delete: Delete access to QTI tokenUrl: >- https://prod-beyond-timeback-api-2-idp.auth.us-east-1.amazoncognito.com/oauth2/token MCP: type: oauth2 flows: authorizationCode: authorizationUrl: >- https://prod-beyond-timeback-api-2-idp.auth.us-east-1.amazoncognito.com/oauth2/authorize tokenUrl: >- https://prod-beyond-timeback-api-2-idp.auth.us-east-1.amazoncognito.com/oauth2/token scopes: https://purl.imsglobal.org/spec/qti/v3/scope/readonly: Read access to QTI ````