# Slot: gather 


_Observer parameter ``(n_groups, n)`` of node indices selecting each group's nodes out of the whole-source signal; its leading axis is the group count._



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URI: [tvbo:slot/gather](https://w3id.org/tvbo/slot/gather)
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## Applicable Classes

| Name | Description | Modifies Slot |
| --- | --- | --- |
| [Partition](../classes/Partition.qmd) | A grouped streaming reduction over a node partition (e |  no  |






## Properties

### Type and Range

| Property | Value |
| --- | --- |
| Range | [xsd:string](http://www.w3.org/2001/XMLSchema#string) |
| Domain Of | [Partition](../classes/Partition.qmd) |

### Cardinality and Requirements

| Property | Value |
| --- | --- |
| Required | Yes |
### Slot Characteristics

| Property | Value |
| --- | --- |
| Owner | [Partition](../classes/Partition.qmd) |












## Identifier and Mapping Information





### Schema Source


* from schema: https://w3id.org/tvbo




## Mappings

| Mapping Type | Mapped Value |
| ---  | ---  |
| self | tvbo:gather |
| native | tvbo:gather |




## LinkML Source

<details>
```yaml
name: gather
description: Observer parameter ``(n_groups, n)`` of node indices selecting each group's
  nodes out of the whole-source signal; its leading axis is the group count.
from_schema: https://w3id.org/tvbo
rank: 1000
owner: Partition
domain_of:
- Partition
range: string
required: true

```
</details></div>