GetCommodityBuyingPrice

Read commodity buying price from current game state.

GetCommodityBuyingPrice(resource)

Inputs: resource is an integer resource ID.

Output: Numeric fact value, or nil when unavailable.

Errors and unavailable states: Wrong numeric argument types raise a Lua argument error. An unavailable fact read returns nil; there is no separate error string.

See Low-level queries for related calls and usage notes.