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Parameters is one of the features we love the most about Canvas. It allows you to create a variable that can be referenced in your model. Imagine that you have a fixed exchange rate for your currency conversion and you want to use this rate in a bunch of different places in your model. You could create a parameter called ‘exchange_rate’ and set it to the value of the exchange rate. Then you could reference this parameter in your model by using the parameter name. Instead of having to change it everywhere you use it, you can simply change it in the parameter and it will be updated everywhere. Parameters can also be used to make your model more flexible and reusable. You could for instance dynamically load datasets with parameters and the Directory tool and filter the datasets with parameters and the Filter tool.

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Using Parameters

Follow along in the demo below to see how you can use Parameters in your model.
You can also view the demo in full screen here.