LuaSurface.train_station_available(station_name :: string) -> boolean

Returns true if there is at least one enabled train stop on this surface with the given station name.

Assigning keybinding doesn't work.

Solution:

-- data.lua: line 5 - line 12
{
type = 'custom-input',
name = 'get-module-inserter',
key_sequence = "",
action = 'create-blueprint-item', -- add
item_to_create = 'module-inserter', -- add
consuming = 'none'
},