docs: Supplier Item Group

erpnext_documentation/www/docs/v13/user/manual/en/buying/index.html

@@ -45,6 +45,11 @@
 				"content": "A Supplier Scorecard is an evaluation tool used to assess the performance of suppliers.",
 				"link": "/docs/v13/user/manual/en/buying/supplier-scorecard",
 				"title": "Supplier Scorecard"
+			},
+			{
+				"content": "A supplier can be linked to specific item groups.",
+				"link": "/docs/v13/user/manual/en/buying/supplier-item-group",
+				"title": "Supplier Item Group"
 			}
 		],
 		"title": "Setup"

erpnext_documentation/www/docs/v13/user/manual/en/buying/index.txt

@@ -5,4 +5,5 @@ supplier
 supplier-quotation
 supplier-scorecard
 buying-settings
-supplier-group
+supplier-group
+supplier-item-group

erpnext_documentation/www/docs/v13/user/manual/en/buying/supplier-item-group.md

@@ -0,0 +1,38 @@
+<!-- add-breadcrumbs -->
+# Supplier Item Group
+**Supplier Item Group is a linking between suppliers and item groups.**
+
+A supplier can be linked to specific item groups. If a supplier is linked to specific item group, only item groups linked would get filtered in item fields of the buying module.
+
+To access Supplier Item Group, go to:
+> Home > Buying > Supplier
+
+* Select any supplier.
+* Use the dashboard to navigate to supplier item group.
+
+Here's what the dashboard looks like:
+<img class="screenshot" alt="Supplier Item Group" src="{{docs_base_url}}/v13/assets/img/buying/supplier-item-group-dashboard.png">
+
+## 1. Prerequisites
+Before creating and using a Supplier Item Group, it is advised that you create the following first:
+
+* [Supplier](/docs/v13/user/manual/en/buying/supplier)
+* [Item Group](/docs/v13/user/manual/en/stock/item-group)
+
+## 2. How to create a Supplier Item Group
+1. Go to Supplier List, click on the supplier you want to link.
+1. Click on supplier item group under "Item Group" in the supplier dashboard or the '+' icon.
+1. Click on Add Supplier Item Group. If + was clicked in the previous step, it takes you directly to form to create a new supplier item group.
+1. Select the Supplier you want to link.
+1. Select the Item Group you want to link to the supplier.
+1. Save.
+
+<img class="screenshot" alt="Supplier Item Group New" src="{{docs_base_url}}/v13/assets/img/buying/supplier-item-group-new.gif">
+
+Multiple item groups can be linked to a supplier. If no item groups are linked, no item group filters will be applied in the buying module.
+
+### 4. Related Topics
+1. [Supplier](/docs/v13/user/manual/en/buying/supplier)
+1. [Item Group](/docs/v13/user/manual/en/stock/item-group)
+
+{next}