fix: Add button to create pick list from material request
diff --git a/erpnext/stock/doctype/material_request/material_request.js b/erpnext/stock/doctype/material_request/material_request.js
index 96e31ff..feaa413 100644
--- a/erpnext/stock/doctype/material_request/material_request.js
+++ b/erpnext/stock/doctype/material_request/material_request.js
@@ -55,13 +55,19 @@
 
 		if (frm.doc.docstatus == 1 && frm.doc.status != 'Stopped') {
 			if (flt(frm.doc.per_ordered, 2) < 100) {
-				// make
+				let add_create_pick_list_button = () => {
+					frm.add_custom_button(__('Pick List'),
+						() => frm.events.create_pick_list(frm), __('Create'));
+				}
+
 				if (frm.doc.material_request_type === "Material Transfer") {
+					add_create_pick_list_button();
 					frm.add_custom_button(__("Transfer Material"),
 						() => frm.events.make_stock_entry(frm), __('Create'));
 				}
 
 				if (frm.doc.material_request_type === "Material Issue") {
+					add_create_pick_list_button();
 					frm.add_custom_button(__("Issue Material"),
 						() => frm.events.make_stock_entry(frm), __('Create'));
 				}
@@ -258,6 +264,13 @@
 		});
 	},
 
+	create_pick_list: (frm) => {
+		frappe.model.open_mapped_doc({
+			method: "erpnext.stock.doctype.material_request.material_request.create_pick_list",
+			frm: frm
+		});
+	},
+
 	raise_work_orders: function(frm) {
 		frappe.call({
 			method:"erpnext.stock.doctype.material_request.material_request.raise_work_orders",
diff --git a/erpnext/stock/doctype/material_request/material_request.py b/erpnext/stock/doctype/material_request/material_request.py
index a1cf2f2..7040d83 100644
--- a/erpnext/stock/doctype/material_request/material_request.py
+++ b/erpnext/stock/doctype/material_request/material_request.py
@@ -508,6 +508,9 @@
 	doc = get_mapped_doc('Material Request', source_name, {
 		'Material Request': {
 			'doctype': 'Pick List',
+			'field_map': {
+				'material_request_type': 'purpose'
+			},
 			'validation': {
 				'docstatus': ['=', 1]
 			}