View source for Passing an integer via URL in Flask App

One of the key skills for web apps will be to pass a variable using the URL.

=Edit the 'app.route'=
You need to add the parameter in '<' & '>' brackets. The 'int' is the data type:
<syntaxhighlight lang=python>
@app.route("/product/<int:param>/")
</syntaxhighlight>

=Edit the def=
You will need to add the name of the parameter from the 'app.route' string:
<syntaxhighlight lang=python>
def go_to(param):
</syntaxhighlight>

=Using the parameter=
This variable is now available in the entire 'def' for this route.