In the above example we hard coded the denomination to be 'GBP', but this would be much better passed into the contract as a parameter. In this exercise, we will try to define a parameter to hold the denomination our Smart Contract will accept.Contract parameters

Any hook can access the parameters timeseries by adding parameters to its requirements. The parameter timeseries is a Python object with methods to access the value of the parameter at different times.About requirements

Exercise

In this exercise, we want to first define a parameter that will hold our denomination.

Once we have defined the parameter, we wish to use it in the Smart Contract code we wrote for the previous exercise to dynamically test the parameter is correct.