Customer is looking to automate Movement Type 309 to change valuation type of stock after PO GR 101

Customer is looking to automate Movement Type 309 to alteration valuation benignant of banal aft Purchase Order Goods Receipt of PO nether definite value. Executing manually Transfer Posting does not springiness america problems it is consecutive 309 question type, what we are looking is: 1 - connected however to automate it, 2- Condition the Automation based connected GR value, for instance, if the full GR worth is nether let's accidental $1,000 

Kindly requesting your assistance successful this regard

Thanks 

Frank