# Fluid entries

Fluid inputs and outputs in NTM recipes.

## Fluids

Shared-format fluid entries use `type`, `amount`, and optional `pressure`:

```json
{
  "type": "minecraft:water",
  "amount": 250
}
```

Machine transfers cast amounts to integers and are bounded by their tank capacity.

| Field | Meaning and default | Range |
| - | - | - |
| `type` | Registered fluid ID. | |
| `amount` | Fluid quantity in mB. | `i64` |
| `pressure` (Optional) | Pressure level; default 0. | `i32` |