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control.collection.flatten ​
Flatten nested lists up to a given depth (-1 = fully flat)
Overview ​
| Property | Value |
|---|---|
| Workflow type | Atomic |
| Library | App-control |
| Version | 1.0 |
Input Schema ​
| Field | Type | Required | Default | Description |
|---|---|---|---|---|
items | json | Yes | — | — |
depth | integer | No | — | — |
Output Schema ​
| Field | Type | Required | Default | Description |
|---|---|---|---|---|
items | json | No | — | — |
depth | integer | No | — | — |
result | list | No | — | — |
count | integer | No | — | — |
failure_reason | string | No | — | — |
failure_type | string | No | — | — |
failed_action | string | No | — | — |
failed_at_state | string | No | — | — |
failed_step | string | No | — | — |
failed_layer | string | No | — | — |
error | string | No | — | — |
error_type | string | No | — | — |
States ​
| State | Initial | Terminal | Success | Auto-advance | Description |
|---|---|---|---|---|---|
pending | Yes | No | — | execute | — |
completed | No | Yes | Yes | — | — |
failed | No | Yes | No | — | — |
State Diagram ​
Transitions ​
| From | Action | To | Description |
|---|---|---|---|
pending | execute | completed | — |
* (any state) | fail | failed | — |
API Usage ​
bash
POST /api/workflows/start
Content-Type: application/json
{
"workflow_type": "control.collection.flatten",
"initial_data": {
"items": "value"
}
}