feat: introduce budget distribution child table

erpnext/accounts/doctype/budget/budget.json

@@ -37,7 +37,9 @@
   "section_break_hqka",
   "column_break_gnot",
   "column_break_ybiq",
-  "total_budget_amount"
+  "total_budget_amount",
+  "section_break_fpdt",
+  "budget_distribution"
  ],
  "fields": [
   {
@@ -255,13 +257,23 @@
    "fieldtype": "Currency",
    "label": "Total Budget Amount",
    "read_only": 1
+  },
+  {
+   "fieldname": "section_break_fpdt",
+   "fieldtype": "Section Break"
+  },
+  {
+   "fieldname": "budget_distribution",
+   "fieldtype": "Table",
+   "label": "Budget Distribution",
+   "options": "Budget Distribution"
   }
  ],
  "grid_page_length": 50,
  "index_web_pages_for_search": 1,
  "is_submittable": 1,
  "links": [],
- "modified": "2025-10-06 14:55:07.247313",
+ "modified": "2025-10-12 23:44:49.632709",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Budget",

erpnext/accounts/doctype/budget/budget.py

@@ -31,6 +31,7 @@ class Budget(Document):
 		from frappe.types import DF
 
 		from erpnext.accounts.doctype.budget_account.budget_account import BudgetAccount
+		from erpnext.accounts.doctype.budget_distribution.budget_distribution import BudgetDistribution
 
 		accounts: DF.Table[BudgetAccount]
 		action_if_accumulated_monthly_budget_exceeded: DF.Literal["", "Stop", "Warn", "Ignore"]
@@ -47,6 +48,7 @@ class Budget(Document):
 		applicable_on_material_request: DF.Check
 		applicable_on_purchase_order: DF.Check
 		budget_against: DF.Literal["", "Cost Center", "Project"]
+		budget_distribution: DF.Table[BudgetDistribution]
 		company: DF.Link
 		cost_center: DF.Link | None
 		fiscal_year: DF.Link

erpnext/accounts/doctype/budget_distribution/budget_distribution.json

@@ -0,0 +1,56 @@
+{
+ "actions": [],
+ "allow_rename": 1,
+ "creation": "2025-10-12 23:31:03.841996",
+ "doctype": "DocType",
+ "editable_grid": 1,
+ "engine": "InnoDB",
+ "field_order": [
+  "start_date",
+  "end_date",
+  "amount",
+  "percent"
+ ],
+ "fields": [
+  {
+   "fieldname": "start_date",
+   "fieldtype": "Date",
+   "in_list_view": 1,
+   "label": "Start Date",
+   "search_index": 1
+  },
+  {
+   "fieldname": "end_date",
+   "fieldtype": "Date",
+   "in_list_view": 1,
+   "label": "End Date"
+  },
+  {
+   "fieldname": "amount",
+   "fieldtype": "Currency",
+   "in_list_view": 1,
+   "label": "Amount"
+  },
+  {
+   "fieldname": "percent",
+   "fieldtype": "Percent",
+   "in_list_view": 1,
+   "label": "Percent"
+  }
+ ],
+ "grid_page_length": 50,
+ "index_web_pages_for_search": 1,
+ "istable": 1,
+ "links": [],
+ "modified": "2025-10-12 23:47:30.393908",
+ "modified_by": "Administrator",
+ "module": "Accounts",
+ "name": "Budget Distribution",
+ "owner": "Administrator",
+ "permissions": [],
+ "row_format": "Dynamic",
+ "rows_threshold_for_grid_search": 20,
+ "sort_field": "creation",
+ "sort_order": "DESC",
+ "states": []
+}

erpnext/accounts/doctype/budget_distribution/budget_distribution.py

@@ -0,0 +1,26 @@
+# Copyright (c) 2025, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+# import frappe
+from frappe.model.document import Document
+
+
+class BudgetDistribution(Document):
+	# begin: auto-generated types
+	# This code is auto-generated. Do not modify anything in this block.
+
+	from typing import TYPE_CHECKING
+
+	if TYPE_CHECKING:
+		from frappe.types import DF
+
+		amount: DF.Currency
+		end_date: DF.Date | None
+		parent: DF.Data
+		parentfield: DF.Data
+		parenttype: DF.Data
+		percent: DF.Percent
+		start_date: DF.Date | None
+	# end: auto-generated types
+
+	pass