Is 'null' a valid value for Custom Data on items

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brendan asked Apr 18, '17

Is 'null' a valid value for Custom Data on items

When adding items via GrantItemsToUsers, what we're seeing is that if we make a call like this:

[{ "PlayFabId": "1234567890ABCDEF", "ItemId": "test_1", "Data": { "foo": "bar" } }]

the call succeeds, but if it's:

[{ "PlayFabId": "1234567890ABCDEF", "ItemId": "test_1", "Data": { "foo": null } }]

it fails with the error that there's no ItemInstanceId. Is null not allowed as a value in a data object?

In-Game Economy data

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Answer 1 · 2017-04-18T15:48:01Z

brendan answered Apr 18, '17

That's correct - sending a value of null is the way you delete a key from the Custom Data of the item instance (though for languages that can't support null as the value, we also have the KeysToRemove parameter). We'll make sure to update the docs for GrantItemsToUsers, to clarify this.

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