[**Kvaser CanKing GUI Extensions SDK v7.5.1**](../../README.md)

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[Kvaser CanKing GUI Extensions SDK](../../modules.md) / [hooks](../README.md) / useSignalDataEnvelopes

# Function: useSignalDataEnvelopes()

> **useSignalDataEnvelopes**(`id`, `subscriptionName`, `subscribedSignals`, `view`): [`ISignalDataEnvelope`](../interfaces/ISignalDataEnvelope.md)[]

A hook for extracting signal data envelopes to be used for graphical visualization.

## Parameters

### id

`number`

The unique id of the view.

### subscriptionName

`string`

The subscription name for the data. Must be unique per view.

### subscribedSignals

`object`[]

The subscribed signals with their qualified names and optional source identifiers.

### view

[`IEnvelopeView`](../interfaces/IEnvelopeView.md)

Optional view parameters to define the time range and width for the envelopes.

## Returns

[`ISignalDataEnvelope`](../interfaces/ISignalDataEnvelope.md)[]

The extracted signal data envelopes.