---
name: "CheckTokenMembership"
section: "3w"
platform: "linux"
package: "libwine-dev"
version: "1.4.1-4"
release: "Debian 7 (Wheezy)"
platforms: ["linux"]
url: "https://new.carta.tech/CheckTokenMembership"
---

# CheckTokenMembership(3w)

## NAME

**CheckTokenMembership** (ADVAPI32.@)

## SYNOPSIS

BOOL CheckTokenMembership\
  (\
   HANDLE *token*,\
   PSID   *sid\_to\_check*,\
   PBOOL  *is\_member*\
  )

## DESCRIPTION

Determine if an access *token* is a member of a **SID**.

## PARAMS

TokenHandle **\[In\]**  Handle from **[OpenProcessToken(3w)](/OpenProcessToken/3w.md)** or **[OpenThreadToken(3w)](/OpenThreadToken/3w.md)**.

SidToCheck **\[In\]**  **SID** that possibly contains the *token*.

IsMember **\[Out\]**  Destination for result.

## RETURNS

**Success:** **TRUE**. IsMember is **TRUE** if TokenHandle is a member, **FALSE** otherwise.

**Failure:** **FALSE**.

## IMPLEMENTATION

Declared in **"winbase.h"**.

Implemented in **"dlls/advapi32/security.c"**.

Debug channel **"advapi"**.