Filter Array
Keep only the items in a list that match your conditions. Supports AND/OR logic and comparisons like equals, greater than, and membership checks.
Logic action Logic
Keep only the items in a list that match your conditions. Supports AND/OR logic and comparisons like equals, greater than, and membership checks.
At a Glance
| Field | Value |
|---|---|
| Action ID | filter |
| Category | Logic |
| Connector | Not required |
| Requires gas | No |
| Funds movement | None declared |
| Tags | logic, filter, array, query, control-flow |
Payload Schema
| Field | Type | Required | Description |
|---|---|---|---|
array | array | Yes | Array of objects to filter |
filter | object | Yes | Filter DSL with $and or $or logical operators containing field conditions. Supports $eq, $ne, $gt, $gte, $lt, $lte, $in, $nin operators. |
Result Schema
| Field | Type | Required | Description |
|---|---|---|---|
filtered | array | Yes | Filtered array items that match the filter |
Examples
json{ "type": "filter", "payload": { "array": [ { "id": "1", "amount": 1500, "status": "active" }, { "id": "2", "amount": 50, "status": "pending" } ], "filter": { "$and": [ { "status": { "$eq": "active" } }, { "amount": { "$gte": 1000 } } ] } }, "children": []}
bashcurl -X POST "https://api.b3os.org/v1/actions/filter/test" \ -H "Authorization: Bearer YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "inputs": { "array": [ { "id": "1", "amount": 1500, "status": "active" }, { "id": "2", "amount": 50, "status": "pending" } ], "filter": { "$and": [ { "status": { "$eq": "active" } }, { "amount": { "$gte": 1000 } } ] } }}'
Payload fields can use workflow expressions such as {{$trigger.body.amount}}, {{$nodes.fetch.result.price}}, and {{$props.asset}} when the value should come from a trigger, prior node, or reusable workflow prop.