The “Uses” keyword defines a list of one or more units that are used by the current unit, program or library.
uses 'My_trades.act';
const
StrategyName = 'Test For Uses';
procedure OnCreate;
begin
Log('OnCreate');
end; // OnCreate
procedure OnStart;
var
AccountLocal: TAccount;
begin
Log(ExtVar);
end; // OnStart
procedure OnCommand(const Command: String);
begin
Log('OnCommand. Command: ' + Command);
My_function; //function from My_trades.act
end; // OnCommand