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

# FC_GetMechanismInfo

## [Name](#name)

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FC_GetMechanismInfo - get information on a particular mechanism.
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## [Syntax](#syntax)

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```{code}
CK_RV FC_GetMechanismInfo(
  CK_SLOT_ID slotID,
  CK_MECHANISM_TYPE type,
  CK_MECHANISM_INFO_PTR pInfo
);
```

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## [Parameters](#parameters)

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`FC_GetMechanismInfo` takes three parameters:

`slotID`

: [Input]

`type`

: [Input] .

`pInfo`

: [Output] .
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## [Description](#description)

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`FC_GetMechanismInfo` obtains information about a particular mechanism possibly supported by a
token.

A user may call `FC_GetMechanismInfo` 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_GetMechanismInfo](/en-US/NSC_GetMechanismInfo)
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