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380 lines
14 KiB
YAML
380 lines
14 KiB
YAML
# Copyright 2022,2024 The Matrix.org Foundation C.I.C.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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openapi: 3.1.0
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info:
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title: Matrix Client-Server Relations API
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version: 1.0.0
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paths:
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"/rooms/{roomId}/relations/{eventId}":
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get:
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summary: Get the child events for a given parent event.
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description: |-
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Retrieve all of the child events for a given parent event.
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Note that when paginating the `from` token should be "after" the `to` token in
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terms of topological ordering, because it is only possible to paginate "backwards"
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through events, starting at `from`.
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For example, passing a `from` token from page 2 of the results, and a `to` token
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from page 1, would return the empty set. The caller can use a `from` token from
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page 1 and a `to` token from page 2 to paginate over the same range, however.
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operationId: getRelatingEvents
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security:
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- accessTokenQuery: []
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- accessTokenBearer: []
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parameters:
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- $ref: '#/components/parameters/roomId'
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- $ref: '#/components/parameters/eventId'
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- $ref: '#/components/parameters/from'
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- $ref: '#/components/parameters/to'
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- $ref: '#/components/parameters/limit'
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- $ref: '#/components/parameters/dir'
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- $ref: '#/components/parameters/recurse'
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responses:
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# note: this endpoint deliberately does not support rate limiting, therefore a
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# 429 error response is not included.
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"200":
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description: |-
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The paginated child events which point to the parent. If no events are
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pointing to the parent or the pagination yields no results, an empty `chunk`
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is returned.
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content:
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application/json:
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schema:
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allOf:
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- $ref: '#/components/schemas/response'
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- type: object
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properties:
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chunk:
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title: ChildEventsChunk
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type: array
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description: The child events of the requested event, ordered topologically
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most-recent first.
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items:
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$ref: definitions/client_event.yaml
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required:
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- chunk
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examples:
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response:
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$ref: '#/components/examples/response'
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"404":
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$ref: '#/components/responses/404'
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tags:
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- Event relationships
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# The same as above, with added `/{relType}`
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"/rooms/{roomId}/relations/{eventId}/{relType}":
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get:
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summary: Get the child events for a given parent event, with a given `relType`.
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description: |-
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Retrieve all of the child events for a given parent event which relate to the parent
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using the given `relType`.
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Note that when paginating the `from` token should be "after" the `to` token in
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terms of topological ordering, because it is only possible to paginate "backwards"
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through events, starting at `from`.
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For example, passing a `from` token from page 2 of the results, and a `to` token
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from page 1, would return the empty set. The caller can use a `from` token from
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page 1 and a `to` token from page 2 to paginate over the same range, however.
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operationId: getRelatingEventsWithRelType
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security:
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- accessTokenQuery: []
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- accessTokenBearer: []
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parameters:
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- $ref: '#/components/parameters/roomId'
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- $ref: '#/components/parameters/eventId'
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- $ref: '#/components/parameters/relType'
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- $ref: '#/components/parameters/from'
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- $ref: '#/components/parameters/to'
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- $ref: '#/components/parameters/limit'
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- $ref: '#/components/parameters/dir'
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- $ref: '#/components/parameters/recurse'
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responses:
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# note: this endpoint deliberately does not support rate limiting, therefore a
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# 429 error response is not included.
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"200":
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description: |-
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The paginated child events which point to the parent. If no events are
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pointing to the parent or the pagination yields no results, an empty `chunk`
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is returned.
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content:
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application/json:
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schema:
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allOf:
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- $ref: '#/components/schemas/response'
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- type: object
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properties:
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chunk:
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title: ChildEventsChunk
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type: array
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description: |-
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The child events of the requested event, ordered topologically
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most-recent first. The events returned will match the `relType`
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supplied in the URL.
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items:
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$ref: definitions/client_event.yaml
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required:
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- chunk
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examples:
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response:
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$ref: '#/components/examples/response'
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"404":
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$ref: '#/components/responses/404'
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tags:
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- Event relationships
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# The same as above, with added `/{eventType}`
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"/rooms/{roomId}/relations/{eventId}/{relType}/{eventType}":
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get:
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summary: Get the child events for a given parent event, with a given `relType`
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and `eventType`.
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description: |-
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Retrieve all of the child events for a given parent event which relate to the parent
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using the given `relType` and have the given `eventType`.
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Note that when paginating the `from` token should be "after" the `to` token in
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terms of topological ordering, because it is only possible to paginate "backwards"
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through events, starting at `from`.
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For example, passing a `from` token from page 2 of the results, and a `to` token
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from page 1, would return the empty set. The caller can use a `from` token from
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page 1 and a `to` token from page 2 to paginate over the same range, however.
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operationId: getRelatingEventsWithRelTypeAndEventType
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security:
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- accessTokenQuery: []
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- accessTokenBearer: []
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parameters:
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- $ref: '#/components/parameters/roomId'
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- $ref: '#/components/parameters/eventId'
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- $ref: '#/components/parameters/relType'
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- in: path
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name: eventType
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description: |-
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The event type of child events to search for.
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Note that in encrypted rooms this will typically always be `m.room.encrypted`
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regardless of the event type contained within the encrypted payload.
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required: true
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example: m.room.message
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schema:
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type: string
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- $ref: '#/components/parameters/from'
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- $ref: '#/components/parameters/to'
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- $ref: '#/components/parameters/limit'
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- $ref: '#/components/parameters/dir'
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- $ref: '#/components/parameters/recurse'
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responses:
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# note: this endpoint deliberately does not support rate limiting, therefore a
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# 429 error response is not included.
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"200":
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description: |-
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The paginated child events which point to the parent. If no events are
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pointing to the parent or the pagination yields no results, an empty `chunk`
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is returned.
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content:
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application/json:
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schema:
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allOf:
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- $ref: '#/components/schemas/response'
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- type: object
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properties:
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chunk:
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title: ChildEventsChunk
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type: array
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description: |-
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The child events of the requested event, ordered topologically most-recent
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first. The events returned will match the `relType` and `eventType` supplied
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in the URL.
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items:
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$ref: definitions/client_event.yaml
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required:
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- chunk
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examples:
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response:
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$ref: '#/components/examples/response'
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"404":
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$ref: '#/components/responses/404'
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tags:
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- Event relationships
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servers:
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- url: "{protocol}://{hostname}{basePath}"
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variables:
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protocol:
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enum:
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- http
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- https
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default: https
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hostname:
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default: localhost:8008
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basePath:
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default: /_matrix/client/v1
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components:
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securitySchemes:
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accessTokenQuery:
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$ref: definitions/security.yaml#/accessTokenQuery
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accessTokenBearer:
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$ref: definitions/security.yaml#/accessTokenBearer
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parameters:
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roomId:
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in: path
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name: roomId
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description: The ID of the room containing the parent event.
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required: true
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example: "!636q39766251:matrix.org"
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schema:
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type: string
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eventId:
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in: path
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name: eventId
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description: The ID of the parent event whose child events are to be returned.
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required: true
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example: $asfDuShaf7Gafaw
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schema:
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type: string
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from:
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in: query
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name: from
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description: |-
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The pagination token to start returning results from. If not supplied, results
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start at the most recent topological event known to the server.
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Can be a `next_batch` or `prev_batch` token from a previous call, or a returned
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`start` token from [`/messages`](/client-server-api/#get_matrixclientv3roomsroomidmessages),
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or a `next_batch` token from [`/sync`](/client-server-api/#get_matrixclientv3sync).
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required: false
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example: page2_token
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schema:
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type: string
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to:
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in: query
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name: to
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description: |-
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The pagination token to stop returning results at. If not supplied, results
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continue up to `limit` or until there are no more events.
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Like `from`, this can be a previous token from a prior call to this endpoint
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or from `/messages` or `/sync`.
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required: false
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example: page3_token
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schema:
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type: string
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limit:
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in: query
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name: limit
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description: |-
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The maximum number of results to return in a single `chunk`. The server can
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and should apply a maximum value to this parameter to avoid large responses.
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Similarly, the server should apply a default value when not supplied.
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required: false
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example: 20
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schema:
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type: integer
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dir:
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in: query
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name: dir
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x-addedInMatrixVersion: "1.4"
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description: |-
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Optional (default `b`) direction to return events from. If this is set to `f`, events
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will be returned in chronological order starting at `from`. If it
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is set to `b`, events will be returned in *reverse* chronological
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order, again starting at `from`.
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schema:
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type: string
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enum:
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- b
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- f
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relType:
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in: path
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name: relType
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description: The [relationship type](/client-server-api/#relationship-types) to
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search for.
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required: true
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example: org.example.my_relation
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schema:
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type: string
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recurse:
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in: query
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name: recurse
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x-addedInMatrixVersion: "1.10"
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required: false
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description: |-
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Whether to additionally include events which only relate indirectly to the
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given event, i.e. events related to the given event via two or more direct relationships.
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If set to `false`, only events which have a direct relation with the given
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event will be included.
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If set to `true`, all events which relate to the given event, or relate to
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events that relate to the given event, will be included.
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It is recommended that homeservers traverse at least 3 levels of relationships.
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Implementations may perform more but should be careful to not infinitely recurse.
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The default value is `false`.
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schema:
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type: boolean
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schemas:
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response:
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type: object
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properties:
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next_batch:
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type: string
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description: |-
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An opaque string representing a pagination token. The absence of this token
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means there are no more results to fetch and the client should stop paginating.
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prev_batch:
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type: string
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description: |-
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An opaque string representing a pagination token. The absence of this token
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means this is the start of the result set, i.e. this is the first batch/page.
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recursion_depth:
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type: integer
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description: |-
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If the `recurse` parameter was supplied by the client, this response field is
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mandatory and gives the actual depth to which the server recursed. If the client
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did not specify the `recurse` parameter, this field must be absent.
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responses:
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"404":
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description: |-
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The parent event was not found or the user does not have permission to read
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this event (it might be contained in history that is not accessible to the user).
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content:
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application/json:
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schema:
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$ref: definitions/errors/error.yaml
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examples:
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response:
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value: {
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"errcode": "M_NOT_FOUND",
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"error": "Event not found."
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}
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examples:
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response:
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value: {
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"chunk": [
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{
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"room_id": "!636q39766251:matrix.org",
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"$ref": "../../event-schemas/examples/m.room.message$m.text.yaml",
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"content": {
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"m.relates_to": {
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"rel_type": "org.example.my_relation",
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"event_id": "$asfDuShaf7Gafaw"
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}
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}
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}
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],
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"next_batch": "page2_token",
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"prev_batch": "page1_token"
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}
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