Player Data (Title) Update JSON Data in UE4 Blueprints

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element808 asked Sep 9, '19

Player Data (Title) Update JSON Data in UE4 Blueprints

I'm trying to update a specific JSON object in my Player Data (Title) via the "Update User Data" blueprint node in UE4.

My current key/value pair looks like this:

Key: Avatar
Value: {"Gender":"Male","HairColor":"HairColor1","SkinColor":"SkinColor3"}

Every time I try to set something with the "Update User Data" node, such as SkinColor, it removes all other JSON Object strings other than the one I'm updating, and turns my key/value pair into the following:

Key: Avatar
Value: {"SkinColor":"SkinColor3"}

As you can see, it removes my Gender and HairColor values from my Avatar JSON object.

Could I get some guidance on how I can achieve this, using PlayFab blueprint nodes? Thanks in advance!

Player Data unreal

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Answer 1 · 2019-09-09T05:27:01Z

Seth Du answered Sep 9, '19

In fact, this behavior is intended because PlayFab will always overwrite the previous value with the new value when you try to update data.

The work around solution is to get the current value of “Avatar” first, then craft a new structured JSON for “Avatar” with the value updated and you may call the UpdateUserData API after that.

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element808 commented · Sep 09, 2019 at 05:40 AM

@SethDu - mahalo for the answer. Just wanted to make sure I wasn't doing something wrong, and get the official answer. Ended up expanding on this and and storing all avatar data in a single structure and pushing it all up to PlayFab at once.

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