> For the complete documentation index, see [llms.txt](https://docs.openbrim.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.openbrim.org/examples/concrete-bridge-examples.md).

# Concrete Bridge Examples

- [Prestressed I Girder Bridge](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig.md)
- [Modeling on OpenBrIM.App](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/modeling-on-openbrimapp-ex1-pig.md)
- [Bridge Geometry](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/bridge-geometry-ex1-pig.md)
- [Roadway Alignment](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/bridge-geometry-ex1-pig/roadway-alignment-ex1-pig.md)
- [Bridge Alignment](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/bridge-geometry-ex1-pig/bridge-alignment-ex1-pig.md)
- [Support Lines](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/bridge-geometry-ex1-pig/support-lines-ex1-pig.md)
- [Insertion Point](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/bridge-geometry-ex1-pig/insertion-point-ex1-pig.md)
- [Girder Layout](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/bridge-geometry-ex1-pig/girder-layout-ex1-pig.md)
- [Properties](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/properties-ex1-pig.md)
- [Materials](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/properties-ex1-pig/materials-ex1-pig.md)
- [Rebars](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/properties-ex1-pig/rebars-ex1-pig.md)
- [Strands](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/properties-ex1-pig/strands-ex1-pig.md)
- [Sections](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/properties-ex1-pig/sections-ex1-pig.md)
- [Superstructure](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/superstructure-ex1-pig.md)
- [Boundary Conditions](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/superstructure-ex1-pig/boundary-conditions-ex1-pig.md)
- [Bearing Fixity](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/superstructure-ex1-pig/boundary-conditions-ex1-pig/bearing-fixity-ex1-pig.md)
- [Superstructure Attachments](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/superstructure-attachments-ex1-pig.md)
- [F Shape Barrier](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/superstructure-attachments-ex1-pig/f-shape-barrier-ex1-pig.md)
- [Custom Barrier](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/superstructure-attachments-ex1-pig/custom-barrier-ex1-pig.md)
- [Roadway](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/superstructure-attachments-ex1-pig/roadway-ex1-pig.md)
- [Substructure](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/substructure-ex1-pig.md)
- [End/Interior Bent](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/substructure-ex1-pig/endinterior-bent-ex1-pig.md)
- [Pile](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/substructure-ex1-pig/pile-ex1-pig.md)
- [Loading](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/loading-ex1-pig.md)
- [Templates for Code Check and Load Rating](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/templates-for-code-check-and-load-rating-ex1-pig.md)
- [Prestressed I Girder Code Check T](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/templates-for-code-check-and-load-rating-ex1-pig/prestressed-i-girder-code-check-t-ex1-pig.md)
- [Pier Cap Code Check T](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/templates-for-code-check-and-load-rating-ex1-pig/pier-cap-code-check-t-ex1-pig.md)
- [Pier Column Code Check T](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/templates-for-code-check-and-load-rating-ex1-pig/pier-column-code-check-t-ex1-pig.md)
- [Pier Footing Code Check T](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/templates-for-code-check-and-load-rating-ex1-pig/pier-footing-code-check-t-ex1-pig.md)
- [Pile Capacity Check T](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/templates-for-code-check-and-load-rating-ex1-pig/pile-capacity-check-t-ex1-pig.md)
- [Analyze and Design](https://docs.openbrim.org/examples/concrete-bridge-examples/example-prestressed-i-girder-concrete-bridge-ex1-pig/analyze-and-design-ex1-pig.md)
- [Example Concrete U Girder Bridge](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge.md)
- [Overview of the Bridge Model](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/overview-of-the-bridge-model-ex1-cug.md)
- [Modeling on OpenBrIM.App](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/modeling-on-openbrim.app-ex1-cug.md)
- [Bridge Geometry](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/bridge-geometry-ex1-cug.md)
- [Roadway Alignment](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/bridge-geometry-ex1-cug/roadway-alignment-ex1-cug.md)
- [Bridge Alignment](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/bridge-geometry-ex1-cug/bridge-alignment-ex1-cug.md)
- [Support Lines](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/bridge-geometry-ex1-cug/support-lines-ex1-cug.md)
- [Insertion Point](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/bridge-geometry-ex1-cug/insertion-point-ex1-cug.md)
- [Girder Layout](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/bridge-geometry-ex1-cug/girder-layout-ex1-cug.md)
- [Properties](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/properties-ex1-cug.md)
- [Materials](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/properties-ex1-cug/materials-ex1-cug.md)
- [Rebars](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/properties-ex1-cug/rebars-ex1-cug.md)
- [Strands](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/properties-ex1-cug/strands-ex1-cug.md)
- [Sections](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/properties-ex1-cug/sections-ex1-cug.md)
- [Superstructure](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/superstructure-ex1-cug.md)
- [Boundary Conditions](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/superstructure-ex1-cug/boundary-conditions-ex1-cug.md)
- [Bearing Fixity](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/superstructure-ex1-cug/boundary-conditions-ex1-cug/bearing-fixity-ex1-cug.md)
- [U Girders](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/superstructure-ex1-cug/u-girders-ex1-cug.md)
- [Concrete U Girder](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/superstructure-ex1-cug/u-girders-ex1-cug/concrete-u-girder-ex1-cug.md)
- [Diaphragm](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/superstructure-ex1-cug/diaphragm-ex1-cug.md)
- [Internal Diaphragm](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/superstructure-ex1-cug/diaphragm-ex1-cug/internal-diaphragm-ex1-cug.md)
- [External Diaphragm](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/superstructure-ex1-cug/diaphragm-ex1-cug/external-diaphragm-ex1-cug.md)
- [Deck](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/superstructure-ex1-cug/deck-ex1-cug.md)
- [Cross-Section](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/superstructure-ex1-cug/deck-ex1-cug/cross-section-ex1-cug.md)
- [Concrete Deck](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/superstructure-ex1-cug/deck-ex1-cug/concrete-deck-ex1-cug.md)
- [Temporary Support](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/superstructure-ex1-cug/temporary-support-ex1-cug.md)
- [Single Elements](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/superstructure-ex1-cug/temporary-support-ex1-cug/single-elements-ex1-cug.md)
- [Superstructure Attachments](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/superstructure-attachments-ex1-cug.md)
- [F Shape Barrier](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/superstructure-attachments-ex1-cug/f-shape-barrier-ex1-cug.md)
- [Roadway](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/superstructure-attachments-ex1-cug/roadway-ex1-cug.md)
- [Substructure](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/substructure-ex1-cug.md)
- [End Bent](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/substructure-ex1-cug/end-bent-ex1-cug.md)
- [Pier](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/substructure-ex1-cug/pier-ex1-cug.md)
- [Pier Cap](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/substructure-ex1-cug/pier-ex1-cug/pier-cap-ex1-cug.md)
- [Pier Column](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/substructure-ex1-cug/pier-ex1-cug/pier-column-ex1-cug.md)
- [Foundation](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/substructure-ex1-cug/foundation-ex1-cug.md)
- [Rectangular](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/substructure-ex1-cug/foundation-ex1-cug/rectangular-ex1-cug.md)
- [Pile](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/substructure-ex1-cug/pile-ex1-cug.md)
- [Tendon](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/tendon-ex1-cug.md)
- [Girder Tendon](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/tendon-ex1-cug/girder-tendon-ex1-cug.md)
- [Construction](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/construction-ex1-cug.md)
- [Construction Stage](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/construction-ex1-cug/construction-stage-ex1-cug.md)
- [Superstructure Construction](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/construction-ex1-cug/superstructure-construction-ex1-cug.md)
- [Deck Construction](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/construction-ex1-cug/superstructure-construction-ex1-cug/deck-construction-ex1-cug.md)
- [Girder Construction (Segmental)](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/construction-ex1-cug/superstructure-construction-ex1-cug/girder-construction-segmental-ex1-pig.md)
- [Diaphragm Construction](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/construction-ex1-cug/superstructure-construction-ex1-cug/diaphragm-construction-ex1-cug.md)
- [Superstructure Attachment Construction](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/construction-ex1-cug/superstructure-construction-ex1-cug/superstructure-attachment-construction-ex1-cug.md)
- [Temporary Support Construction](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/construction-ex1-cug/superstructure-construction-ex1-cug/temporary-support-construction-ex1-cug.md)
- [Substructure Construction](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/construction-ex1-cug/substructure-construction-ex1-cug.md)
- [Bearing Construction](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/construction-ex1-cug/substructure-construction-ex1-cug/bearing-construction-ex1-cug.md)
- [Pier Cap/Bent Construction (Complete)](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/construction-ex1-cug/substructure-construction-ex1-cug/pier-cap-bent-construction-complete-ex1-cug.md)
- [Pier Column Construction](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/construction-ex1-cug/substructure-construction-ex1-cug/pier-column-construction-ex1-cug.md)
- [Loading](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/loading-ex1-cug.md)
- [Load Geometry Definitions](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/loading-ex1-cug/load-geometry-definitions-ex1-cug.md)
- [Surface](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/loading-ex1-cug/load-geometry-definitions-ex1-cug/surface-ex1-cug.md)
- [Loads](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/loading-ex1-cug/loads-ex1-cug.md)
- [Surface Load](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/loading-ex1-cug/loads-ex1-cug/surface-load-ex1-cug.md)
- [Inf. Surf Based LL/BR/CE](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/loading-ex1-cug/loads-ex1-cug/inf.-surf-based-ll-br-ce-ex1-cug.md)
- [Wind Load](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/loading-ex1-cug/loads-ex1-cug/wind-load-ex1-cug.md)
- [WS AASHTO](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/loading-ex1-cug/loads-ex1-cug/wind-load-ex1-cug/ws-aashto-ex1-cug.md)
- [Wind Load on Live Load](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/loading-ex1-cug/loads-ex1-cug/wind-load-ex1-cug/wind-load-on-live-load-ex1-cug.md)
- [Temperature Load](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/loading-ex1-cug/loads-ex1-cug/temperature-load-ex1-cug.md)
- [Uniform Temperature Load](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/loading-ex1-cug/loads-ex1-cug/temperature-load-ex1-cug/uniform-temperature-load-ex1-cug.md)
- [Combinations](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/combinations-ex1-cug.md)
- [Result Extraction Cases](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/combinations-ex1-cug/result-extraction-cases-ex1-cug.md)
- [Design Load Combinations](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/combinations-ex1-cug/design-load-combinations-ex1-cug.md)
- [Limit States](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/combinations-ex1-cug/design-load-combinations-ex1-cug/limit-states-ex1-cug.md)
- [Load Combination Table](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/combinations-ex1-cug/design-load-combinations-ex1-cug/load-combination-table-ex1-cug.md)
- [Templates for Code Check](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/templates-for-code-check-ex1-cug.md)
- [Load Rating Code Check T](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/templates-for-code-check-ex1-cug/load-rating-code-check-t-ex1-cug.md)
- [Spliced Girder Code Check T](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/templates-for-code-check-ex1-cug/spliced-girder-code-check-t-ex1-cug.md)
- [Pier Cap Code Check T](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/templates-for-code-check-ex1-cug/pier-cap-code-check-t-ex1-cug.md)
- [Pier Column Code Check T](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/templates-for-code-check-ex1-cug/pier-column-code-check-t-ex1-cug.md)
- [Pier Footing Code Check T](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/templates-for-code-check-ex1-cug/pier-footing-code-check-t-ex1-cug.md)
- [Pile Capacity Check T](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/templates-for-code-check-ex1-cug/pile-capacity-check-t-ex1-cug.md)
- [Superstructure Code Checks](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/superstructure-code-checks-ex1-cug.md)
- [Spliced Girder Code Check](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/superstructure-code-checks-ex1-cug/spliced-girder-code-check-ex1-cug.md)
- [Substructure Code Checks](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/substructure-code-checks-ex1-cug.md)
- [Pier Cap Code Check](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/substructure-code-checks-ex1-cug/pier-cap-code-check-ex1-cug.md)
- [Pier Column Code Check](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/substructure-code-checks-ex1-cug/pier-column-code-check-ex1-cug.md)
- [Pier Footing Code Check](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/substructure-code-checks-ex1-cug/pier-footing-code-check-ex1-cug.md)
- [Pile Capacity Check](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/substructure-code-checks-ex1-cug/pile-capacity-check-ex1-cug.md)
- [Load Rating](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/load-rating-ex1-cug.md)
- [Girder Load Rating](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/load-rating-ex1-cug/girder-load-rating-ex1-cug.md)
- [Report](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/report-ex1-cug.md)
- [Quantity Takeoff](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/report-ex1-cug/quantity-takeoff-ex1-cug.md)


---

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## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter, and the optional `goal` query parameter:

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GET https://docs.openbrim.org/examples/concrete-bridge-examples.md?ask=<question>&goal=<endgoal>
```

`ask` is the immediate question: it should be specific, self-contained, and written in natural language.
`goal` is optional and describes the broader end goal you are ultimately trying to accomplish on behalf of the user. GitBook uses it to tailor the answer towards what is most useful for that goal.

The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.