how to add multiple conditions for traders supplies?

[luppolo]

in buy supplies line traders can have something like this

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{=actor_goodwill_ge(trader:1500)} supplies_special

but what if i want additional conditions? for example i want 1500 goodwill with traders AND duty to have a certain item set, i tried

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{=actor_goodwill_ge(trader:1500) =actor_goodwill_ge(dolg:1500)} supplies_special_2

or

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{=actor_goodwill_ge(trader:1500) +actor_goodwill_ge(dolg:1500)} supplies_special_2

seeing how some other files seem to "stack" conditions in that format, however the game just ignores it