OPC UA histo with ignition

Hello everyone,

I have the goal to make a conenxion between my plcnext 2152 and Ignition.

I succesfully creat the connexion and i see data in real time.

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however, when i try to make a graphical it wont change or display old value

Both of my variable are history with an historian i creat

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Is anyone try a equivalent project ? am I making something incorrect ?

Thanks you for the time you accord me