# Limit

> One limit for one parameter code.

> **Limit** = `object`

One limit for one parameter code.

## Properties

### basis?

> `optional` **basis?**: [`LimitBasis`](/core/api/type-aliases/LimitBasis)

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### code

> **code**: `string`

`welldot` parameter code.

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### fraction?

> `optional` **fraction?**: `"total"` \| `"dissolved"` \| `"suspended"`

Restricts the limit to one analytical fraction.

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### max?

> `optional` **max?**: `number`

Maximum allowed value (inclusive), in the code's canonical unit.

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### min?

> `optional` **min?**: `number`

Minimum allowed value (inclusive), in the code's canonical unit.

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### note?

> `optional` **note?**: `string`

Provisional values, alternative bases, transition dates, etc.

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### presence\_allowed?

> `optional` **presence\_allowed?**: `false`

`false` for presence/absence parameters that must be absent.