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rewording to tags presence

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Fernando López Guevara 2023-07-26 10:14:58 -03:00
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15
100.md
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NIP-100 NIP-100
======= =======
Querying Events by Tags Structure Querying Events by Tags Presence
--------------------------------- ---------------------------------
`draft` `optional` `author:fernandolguevara` `requires:nip-12` `draft` `optional` `author:fernandolguevara` `requires:nip-12`
This NIP allows clients to query events from relays where a specific tag is present in the event's structure. This NIP allows clients to query events from relays based on the presence or non-presence of specific tags.
### Presense:
The filter condition matches if there is at least one tag name in common with the filter and event. The filter condition matches if there is at least one tag name in common with the filter and event.
### Non-Presence:
The filter condition matches if there is at least one tag in the filter that are not present in the event.
Example Subscription Filter Example Subscription Filter
--------------------------- ---------------------------
Below is an example filter that matches events with a `g` tag in their structure: Below are some example filters that demonstrate tag presence and non-presence:
1. Filter to match events with a `g` tag:
```json ```json
{ {
@ -21,8 +27,7 @@ Below is an example filter that matches events with a `g` tag in their structure
} }
``` ```
Other filter example that matches events with an empty/non present `e` tag in their structure: 2. Filter to match events without the presence of the `e` tag:
```json ```json
{ {

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README.md
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@ -68,7 +68,7 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
- [NIP-94: File Metadata](94.md) - [NIP-94: File Metadata](94.md)
- [NIP-98: HTTP Auth](98.md) - [NIP-98: HTTP Auth](98.md)
- [NIP-99: Classified Listings](99.md) - [NIP-99: Classified Listings](99.md)
- [NIP-100: Querying Events by Tags Structure](100.md) - [NIP-100: Querying Events by Tags Presence](100.md)
## Event Kinds ## Event Kinds