doc: document napi_finalize() signature

Refs: #14138 Backport-PR-URL: #19447 PR-URL: #14230 Reviewed-By: Refael Ackermann <[email protected]> Reviewed-By: Michael Dawson <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Gibson Fahnestock <[email protected]> Reviewed-By: Tobias Nießen <[email protected]>
nodejs · Apr 16, 2018 · 831de61 · 831de61
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commit 831de61
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diff --git a/doc/api/n-api.md b/doc/api/n-api.md
@@ -181,6 +181,12 @@ must provide a function satisfying the following signature which would get
 called upon the object's collection. Currently, `napi_finalize` can be used for
 finding out when objects that have external data are collected.
 
+```C
+typedef void (*napi_finalize)(napi_env env,
+                              void* finalize_data,
+                              void* finalize_hint);
+```
+
 
 #### napi_async_execute_callback
 Function pointer used with functions that support asynchronous