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(mozilla-projects-nss-reference-fc-getmechanismlist)=

# FC_GetMechanismList

## [Name](#name)

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FC_GetMechanismList - get a list of mechanism types supported by a token.

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## [Syntax](#syntax)

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```{code}

CK_RV FC_GetMechanismList(

  CK_SLOT_ID slotID,

  CK_MECHANISM_TYPE_PTR pMechanismList,

  CK_ULONG_PTR pusCount

);

```

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## [Parameters](#parameters)

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`FC_GetMechanismList` takes three parameters:

`slotID`

: [Input]

`pInfo`

: [Output] The address of a variable that will receive a pointer to the list of function

  pointers.

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## [Description](#description)

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`FC_GetMechanismList` obtains a list of mechanism types supported by a token.

A user may call `FC_GetMechanismList` without logging into the token (to assume the NSS User

role).

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## [Return value](#return_value)

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`CKR_OK`

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## [Examples](#examples)

## [See also](#see_also)

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- [NSC_GetMechanismList](/en-US/NSC_GetMechanismList)

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