firebase setCustomUserClaims execution doesn't end in emulator

user_10232665 0
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I am trying to set a custom claim to an existing user in the emulator with the following code:

exports.addAdmin = functions.https.onRequest((req, res) => {
    admin.auth().setCustomUserClaims("ZZyxFu17eN8y6orw0tSQ8Y0vyPFS", { admin: true })
});

The logs tell me the the execution of the function started. functions: Beginning execution of "addAdmin" In the auth emulator I can see that the custom claim is successfully set to the user {"admin":true}. But the execution of the function doesn't end.

When I shutdown the emulator with CTRL+C I get the following logs functions: Waiting for all functions to finish.... Then after some minutes: functions: Functions emulator work queue did not empty before stopping ⚠ Your function was killed because it raised an unhandled error.

What am I doing wrong here?

google-cloud-functions firebase-authentication firebase node.js
1 Answers

The setCustomUserClaims() does end but you are not terminating the function itself. To terminate a HTTP function, you must return back a response. Try:

exports.addAdmin = functions.https.onRequest(async (req, res) => {
    await admin.auth().setCustomUserClaims("ZZyxFu17eN8y6orw0tSQ8Y0vyPFS", { admin: true })

    return res.json({ message: "Claims updated" })
});

Checkout the documentation on terminating Cloud Functions and this video.

user_131306970
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