Firestore - Creating a new entry (Document in a Collection) with a custom Document ID

creating_custom_document.js

db.collection("[YOUR_COLLECTION]").doc("[YOUR_DOCUMENT]").set({
    [YOUR_PROPERTY]: "[YOUR_UPDATED_VALUE]"
})
.then(function() {
    console.log("Document successfully written!");
})
.catch(function(error) {
    console.error("Error writing document: ", error);
});