interface - how to code a command for monitor for this case -

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i want see min trade_price on interface of monitor. agents. sellers , buyers has 0 trade_price when dont have agent in same patch. want see min trade_price of agents have agent in 1 patch.

i code :

min [trade_price] of turtles

i need code here, have idea? best regards

how min [trade_price] of turtles [trade_price > 0] (not tested)


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