The code you give there is valid Perl. If you built a structure using something like the following you would be able to use it just like that:

my $actions = {
    first_action => {
        type1 => \&some_function,
        another_type => \&another_function
    },
    second_action => {
        another_type => \&function,
        yet_another_type => \&something,
    },
};
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