Grid Robot

I want Grid EA that have function like this EA.

https://www.mql5.com/en/market/product/5328

Description of Input Parameters

• Intial Lot - initial lot;
• Maximum Lot - maximum lot;
• Lot Multipler - lot multiplier for the second and subsequent orders;
• Maximum number of position - maximum number of orders that are to be opened by the Expert Advisor;
• Pips multiplier - this parameters multiplies entered values by 10 in 5-digit quotes;
• Grid Step, pips - step between orders, in points;
• Slippage, pips - slippage;
• TakeProfit, pips - take profit;
• TakeProfit 2, pips - take profit can be decreased down to take profit 2 from a certain order;
• First Order with TakeProfit 2 - the order, from which decreased take profit is used;
• TrailingStop, pips - distance from the price, at which trailing stop is activated;
• Profit for TP activation, pips - profit in points to activate trailing stop;
• Trailing stop step, pips - trailing stop step.
• First Position - weekly pivot or monthly pivot

The only difference is that i want the first buy/sell order to be placed at weekly pivot.