# 2020-02-12 - Opportunity Specification Proposals

## Summary

A number of recently-proposed updates to the [Opportunity Specification ](https://www.openactive.io/modelling-opportunity-data/)were discussed, specifically:

* [dealing with](https://github.com/openactive/modelling-opportunity-data/issues/219) JSON-LD '@' prefixes
* ad-hoc [Event Locations](https://github.com/openactive/modelling-opportunity-data/issues/209)
* require [startDate and endDate to have a time component](https://github.com/openactive/modelling-opportunity-data/issues/208)
* [IndicativeOffers](https://github.com/openactive/modelling-opportunity-data/issues/207)
* [estimatedDuration](https://github.com/openactive/modelling-opportunity-data/issues/201)

 A summary of the call and follow-up actions can be found in the [Call Notes](https://docs.google.com/document/d/1-MKuP8asU35G0NXNLICu12q0mUwjTQCAWLilz50zY_M/edit?usp=sharing).

## Slides

{% embed url="<https://docs.google.com/presentation/d/119bVxjCEZfFvuLvQxEbcqqm-VNQQIhib2vE7AeOXKCI/edit?usp=sharing>" %}

## Video

{% embed url="<https://www.youtube.com/watch?v=gkw9tlI6EUg&feature=youtu.be>" %}


---

# Agent Instructions: 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:

```
GET https://w3c.openactive.io/meetings-archive/2020-02-12-opportunity-specification-proposals.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
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.