How to get Shared variable declared in PreValidate operation in D365 plug in

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Suppose when we declared a shared variable in PreValidate operation and we are trying to get it using Context.SharedVarible[“yourKey”] in PreOperation and PostOperation. It will give error as below.

 The given key was not present on the dictionary.

 We need to read it using below syntax in both preOperation & PostOperation

 Var myVariable = context.ParentContext.SharedVariables["MyVariable"].ToString()

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