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# mostAsFsEnableEx, mostAsFsDisableEx

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**CAPL Functions** » [MOST](../CAPLfunctionsMOSTOverview.md) » mostAsFsEnableEx, mostAsFsDisableEx

**Valid for**: CANoe DE

## Function Syntax

* `long mostAsFsEnableEx(long fblockId, long instId);`
* `long mostAsFsDisableEx(long fblockId, long instId);`

## Description

`mostAsFsEnableEx()` makes the function service available for a function block. Furthermore, `mostAsFsEnableEx()` enables the functions `<FktIDs>`, `<Notification>`, and `<NotificationCheck>` of the given function block for the notification service.

`mostAsFsDisableEx()` disables the function service for a function block.

## Parameters

* **fblockId**: Function block ID
* **instId**: Instance ID

## Return Values

See [error codes](../CAPLfunctionsMOSTErrorCodes.md).

## Example

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[mostAsFsFunctionEnableEx](CAPLfunctionMOSTAsFsFunctionEnableEx.md) • [mostAsFsEnable](CAPLfunctionMOSTAsFsEnableMOSTAsFsDisable.md)
