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From the value destination variable, you can choose the variable in which you want to save the value of the field
You can bind the value of the variable to the component by creating a variable
Please refer Layout Variables
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Model
From the value destination model, you can choose the specific model in which you can save the value of the field
You can bind a value to the component using a model, value comes from the object that we use while model creation
Please refer Models
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