Upon testing, they are getting redirected, what would be a cause for this error?

An Adobe Commerce developer is tasked with adding an new export option for the order grid, they have added the following code for the export button within sales_order_grid.xml

Upon testing, they are getting redirected, what would be a cause for this error?
A . The Layout cache needs to be refreshed.
B . The developer has to add a formkey for the new export option.
C . The option’s url attribute is not valid.

Answer: B