# lease (/docs/query/lease)

`emissions_share` is a percentage from 0 to 100; `end_block` is None for a
perpetual lease.

**Category:** Leases & crowdloans

## Parameters [#parameters]

| Parameter  | Type    | Description                        |
| ---------- | ------- | ---------------------------------- |
| `lease_id` | integer | Id of the subnet lease to look up. |

## CLI [#cli]

```bash
btcli query lease --lease-id <integer> --json
```

## Python [#python]

Namespace method (autocomplete, signature help):

```python
import bittensor as bt

sub = bt.Subtensor()
result = sub.leasing.lease(lease_id=1)
```

Or dispatch by name, as an agent would:

```python
result = sub.read("lease", lease_id=1)
```

Async is the same surface awaited: `async with bt.Subtensor() as client:`.

## On-chain implementation [#on-chain-implementation]

* Storage [`SubtensorModule.SubnetLeases`](/code/pallets/subtensor/src/lib.rs#L2763)

Every file is browsable under [/code](/code) exactly as built into the runtime.