# Feed 'L' - Counterparty limits

**Requests**

{% tabs %}
{% tab title="Subscribe" %}

```json
{"event": "bind", "feed": "L"}
```

{% endtab %}

{% tab title="Unsubscribe" %}

```json
{"event": "unbind", "feed": "L"}
```

{% endtab %}
{% endtabs %}

**Feed handling**

{% tabs %}
{% tab title="Definitions" %}

```json
limit =
{
  "counterpartyId": int,
  "tradingPermissions": {
    "ownTradingEnabled": bool,
    "mutualTradingEnabled": bool,
    "ownIncomingFlowEnabled": bool <optional>, // master-master connection only
    "mutualIncomingFlowEnabled": bool <optional>, // master-master connection only
    "ownOutgoingFlowEnabled": bool <optional>, // master-master connection only
    "mutualOutgoingFlowEnabled": bool <optional> // master-master connection only
  },
  "ownLimit": {
    "grossLimit": int,
    "asset": string,
    "limitUtilization": int,
    "equity": int,
    "maintenanceMargin": int <optional>,
    "restrictedTrading": int <optional>,
    "initialMargin": int <optional>
  } <optional>,
  "mutualLimit": {
    "grossLimit": int,
    "asset": string,
    "limitUtilization": int,
    "equity": int,
    "maintenanceMargin": int <optional>,
    "restrictedTrading": int <optional>,
    "initialMargin": int <optional>
  } <optional>
}
```

For the detailed counterparty limit description

{% content-ref url="/pages/K204rgg7mts5MpDH8KcH" %}
[climits](/api-reference/rest-api/risk-management/climits.md)
{% endcontent-ref %}
{% endtab %}

{% tab title="Possible updates" %}

```json
// snapshot
['L', 0, 'S', array of limit]

// limit added
['L', 0, '+', limit]

// limit modified
['L', 0, 'M', limit]

// limit removed
['L', 0, '-', limit]

// failed to subscribe
['L', 0, 'Z', 2]

// unsubscribed
['L', 0, 'U', 0]
```

{% endtab %}

{% tab title="Feed update example" %}

```javascript
applyToSnapshot(prevSnapshot, feed, action, data) {
    switch (feed) {
        case 'L': {
            switch (action) {
                case 'S': {
                    return [...data]
                }
                case '+': {
                    prevSnapshot.push(data)
                    break
                }
                case 'M': {
                    for (var i in prevSnapshot) {
                        // Update limit for counterparty
                        if (prevSnapshot[i]["counterpartyId"] == data["counterpartyId"]) {
                            prevSnapshot[i] = data
                            break
                        }
                    }
                    break
                }
                case '-': {
                    for (var i in prevSnapshot) {
                        // Delete limit for counterparty
                        if (prevSnapshot[i]["counterpartyId"] == data["counterpartyId"]) {
                            prevSnapshot.splice(i, 1)
                            break
                        }
                    }
                    break
                }
            }
            break
        }
    }
    return prevSnapshot
}
```

{% endtab %}
{% endtabs %}


---

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