Community Forums: how would i make a simple macro that rolls a dice and then subtract -1 from an ammo attribute?

how would i make a simple macro that rolls a dice and then subtract -1 from an ammo attribute?

1394741397

please help so far by googling and reading i come as far as /roll 1d10 @{Idink Askej|ammo}:[[@{Idink Askej|ammo} -1]] the chatlog says 59:58

1394742939

Lithl

Pro

Sheet Author

API Scripter

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Macros cannot modify attributes. This is doable with the API, but the API is only available if the campaign owner is a Mentor subscriber. What you've done hasn't modified the attribute, it's simply displayed the value of the attribute minus 1.

1394743528

alexander n.

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thank you for telling me it can only be done with api and mentor ive been spending 3 hours looking for how to do it with macro

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how would i make a simple macro that rolls a dice and then subtract -1 from an ammo attribute?