# Interface: IBackgroundTask\<T, U\>

Interface describing a background task.

## Type Parameters

### T

`T` = `any`

### U

`U` = `any`

## Properties

### id {#id}

> **id**: `string`

The id.

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### type {#type}

> **type**: `string`

The type of the task.

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### threadId {#threadid}

> **threadId**: `string`

The thread id for the task.

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### retryInterval? {#retryinterval}

> `optional` **retryInterval?**: `number`

The retry interval in milliseconds, undefined if default scheduling.

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### retriesRemaining? {#retriesremaining}

> `optional` **retriesRemaining?**: `number`

The number of retries remaining, undefined if infinite retries.

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### dateCreated {#datecreated}

> **dateCreated**: `string`

The date the task was created.

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### dateModified {#datemodified}

> **dateModified**: `string`

The date the task was last modified.

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### dateCompleted? {#datecompleted}

> `optional` **dateCompleted?**: `string`

The date the task was complete.

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### dateCancelled? {#datecancelled}

> `optional` **dateCancelled?**: `string`

The date the task was cancelled.

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### dateRetainUntil? {#dateretainuntil}

> `optional` **dateRetainUntil?**: `string`

The date until when to retain.

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### status {#status}

> **status**: [`TaskStatus`](../type-aliases/TaskStatus.md)

The status of the task.

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### payload? {#payload}

> `optional` **payload?**: `T`

The payload to execute the task with.

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### result? {#result}

> `optional` **result?**: `U`

The result of the execution.

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### error? {#error}

> `optional` **error?**: `IError`

The error at last execution.