LlSetPayPrice

De DigiWiki.

This will give the user a dialog box without the price field and only one button with a value of 150.

llSetPayPrice(PAY_HIDE, [150,PAY_HIDE,PAY_HIDE,PAY_HIDE])

integer price = 10;
 
default
{
    state_entry()
    {
        llSetPayPrice(PAY_HIDE, [PAY_HIDE ,PAY_HIDE, PAY_HIDE, PAY_HIDE]);
        llRequestPermissions(llGetOwner(), PERMISSION_DEBIT);
    }
    run_time_permissions(integer perm)
    {
        if(perm & PERMISSION_DEBIT)
            state cash;
    }
}
 
state cash
{
    state_entry()
    {
        llSetPayPrice(price, [price ,PAY_HIDE, PAY_HIDE, PAY_HIDE]);
    }
    money(key id, integer amount)
    {
        if(amount != price)
        {
            llGiveMoney(id, amount);
            llInstantMessage(id, "You paid "+(string)amount+", which is the wrong price, the price is: "+(string)price);
        }
        else
        {
            //insert your give code here.
            llInstantMessage(id, "You paid the right price");
        }
    }
}