MM — Materials Management¶
The Materials Management module enables natural language access to procurement, inventory, and material master data across purchase requisitions, purchase orders, goods movements, invoicing, and analytics.
Scope¶
| Area | Read | Create | Modify |
|---|---|---|---|
| Purchase Requisitions |  |
|
|
| MRP / Planning | |
— | — |
| Purchase Orders | |
|
— |
| PO Release | |
— | |
| Goods Receipt | |
|
— |
| Service Entry Sheet | |
|
— |
| Supplier Invoice & Release | |
|
|
| Consignment Settlement | |
|
— |
| RFQ & Quotations | |
|
— |
| Purchase Info Record | |
— | |
| Inventory (transfers, movements) | |
|
— |
| Physical Inventory | |
|
— |
| GR/IR & Procurement Analytics | |
— | — |
| Vendor Master / Duplicate Check | |
— | — |
| Subcontracting (e.g. provision 541) | |
|
— |
| Stock Transport Order (STO) | |
|
— |
Use Cases¶
Purchase Requisitions¶
User prompt
"Show me purchase requisition 10000133"
What happens: Retrieves the purchase requisition with positions, material, quantity, delivery date, and organizational data.
MRP / Planning¶
User prompt
"Run MRP for plant 1100. Return new proposed PRs for MAT-0001 (quantities/dates) and explain the cause (demand/stock/safety stock)."
What happens: Runs MRP for the plant and returns proposed requisitions with quantities and dates, plus a short explanation (demand, stock, safety stock).
Purchase Orders¶
User prompt
"Create a PO from PR 10001234 for vendor 100045, plant 1100. Check the proposed price from the info record if available."
What happens: Creates a purchase order with reference to the PR, proposes price from the info record when available, and returns the new PO number.
PO Release¶
User prompt
"Release PO 4500001234 if the amount is <= 25,000 and the plant is 1100. If not, indicate the required approval step."
What happens: Releases the PO when conditions are met, or explains which approval step is required.
Goods Receipt¶
User prompt
"Post goods receipt for PO 4500001234 for 30 units in storage location 0001. Then show the 20 remaining units pending delivery."
What happens: Posts partial goods receipt for the PO and returns the remaining quantity to be received.
Service Entry Sheet¶
User prompt
"Create a service entry sheet for PO 4500002233 for 8 hours of service SER-001 and charge to internal order IO-300001."
What happens: Creates the service entry sheet with hours and allocation to the internal order.
Supplier Invoice & Release¶
User prompt
"Post invoice for PO 4500001234 with unit price +12% vs PO and explain if it gets blocked due to tolerances."
What happens: Posts the supplier invoice; if it blocks due to tolerance, the system explains the reason. Optionally: "Release the blocked invoice for PO 4500001234 if the approver for plant 1100 has authorized it."
Consignment Settlement¶
User prompt
"Settle consignment for vendor 100045 for MAT-0001 in plant 1100. Show the resulting document and accounting entries."
What happens: Runs consignment settlement and returns the resulting FI document and accounting entries.
RFQ & Quotations¶
User prompt
"Create an RFQ for MAT-0001 (100 units) with delivery in 21 days and send it to vendors 100045, 100077, 100099. Return the RFQ number."
What happens: Creates the RFQ with the position and sends it to the specified vendors; returns the RFQ number. For comparison: "Compare quotations for the MAT-0001 RFQ weighting 70% price, 20% lead time, 10% payment terms. Recommend the winning vendor and justify."
Purchase Info Record¶
User prompt
"Update the info record for vendor 100045 / MAT-0001 with price 9.85 EUR effective today. Verify the new price is proposed when creating a new PO."
What happens: Updates the purchasing info record with the new price and validity; confirms the price is proposed on new POs.
Inventory (transfers, movements)¶
User prompt
"Post a 311 transfer of 15 units of MAT-0001 from storage location 0001 to 0002 in plant 1100 and confirm the final stock in both locations."
What happens: Posts the internal transfer (311) and returns updated stock in both storage locations.
Physical Inventory¶
User prompt
"Create a physical inventory document for MAT-0001 in plant 1100 storage location 0001, post count (count=95 vs stock=100) and post the differences."
What happens: Creates the physical inventory document, posts the count, and posts the quantity difference.
GR/IR & Procurement Analytics¶
User prompt
"Show GR/IR aging for vendor 100045 in company code 1000 with buckets 0-30/31-60/61-90/>90 and list the 10 oldest documents."
What happens: Returns GR/IR aging by bucket and the top 10 oldest documents. Similarly: "List open POs without GR in the last 30 days for plant 1100 and vendor 100045, sorted by amount — show top 20."
Vendor Master / Duplicate Check¶
User prompt
"Before creating a new vendor, check for duplicates by tax ID ESX1234567 and IBAN ES66XXXX. Return candidates and a recommendation."
What happens: Searches for existing vendors by tax number and IBAN and returns candidates with a short recommendation.
Subcontracting (e.g. provision 541)¶
User prompt
"Post 541 provision of 10 units of component COMP-001 to vendor 100045 for the subcontracting PO. Confirm special stock at vendor."
What happens: Posts the 541 movement and confirms special stock at vendor.
Stock Transport Order (STO)¶
User prompt
"Create an STO from plant 1100 to 1200 for MAT-0001 quantity 40. Post goods issue and goods receipt, and show in-transit stock and final stock at destination."
What happens: Creates the STO, posts goods issue and goods receipt, and returns in-transit and destination stock.
OData Services Used¶
| Service | Description | SAP Version |
|---|---|---|
API_PURCHASEORDER_PROCESS_SRV |
Purchase orders | S/4 1909+ |
API_PURCHASEREQ_PROCESS_SRV |
Purchase requisitions | S/4 1909+ |
API_PRODUCT_SRV |
Material master | S/4 1909+ |
API_MATERIAL_STOCK_SRV |
Material stock | S/4 1909+ |
API_MATERIAL_DOCUMENT_SRV |
Material documents (GR/GI) | S/4 1909+ |
API_BUSINESS_PARTNER |
Vendor master | S/4 1909+ |
Limitations¶
Current Limitations
- Batch and serial number tracking support is planned.
- Collective PR release (ME55) and some workflow steps may have limited automation depending on customer setup.
- Physical inventory and some movements depend on physical count and process configuration.