diff --git a/pricing/__init__.py b/pricing/__init__.py
index 70fa323..52a6053 100644
--- a/pricing/__init__.py
+++ b/pricing/__init__.py
@@ -3,4 +3,7 @@ from pricing.pricing import (
     test_pricing,
     generate_formula_from_factors,
     get_pricing_display,
+    get_pricing_specs_by_pptid,
+    sor_get_spec_fields,
+    get_all_spec_fields_by_pptid,
 )
diff --git a/pricing/init.py b/pricing/init.py
index c3b63c4..eecff5a 100644
--- a/pricing/init.py
+++ b/pricing/init.py
@@ -4,7 +4,10 @@ from pricing.pricing import (
 	PricingProgram,
 	test_pricing,
 	generate_formula_from_factors,
-	get_pricing_display
+	get_pricing_display,
+	get_pricing_specs_by_pptid,
+	sor_get_spec_fields,
+	get_all_spec_fields_by_pptid,
 )
 from ahserver.serverenv import ServerEnv
 
@@ -37,6 +40,9 @@ def load_pricing():
 	env.test_pricing = test_pricing
 	env.generate_formula_from_factors = generate_formula_from_factors
 	env.get_pricing_display = get_pricing_display
+	env.get_pricing_specs_by_pptid = get_pricing_specs_by_pptid
+	env.sor_get_spec_fields = sor_get_spec_fields
+	env.get_all_spec_fields_by_pptid = get_all_spec_fields_by_pptid
 	# Bind hot_reload event — only when running in ahserver (event_dispatcher available)
 	if getattr(env, 'event_dispatcher', None) is not None:
 		env.event_dispatcher.bind('hot_reload', PricingProgram.on_hot_reload)
diff --git a/pricing/pricing.py b/pricing/pricing.py
index df5da92..a2209dd 100644
--- a/pricing/pricing.py
+++ b/pricing/pricing.py
@@ -982,6 +982,71 @@ async def test_pricing(pptid, data):
 		amount += p.amount
 	return amount
 
+async def get_pricing_specs_by_pptid(pptid):
+	"""Get all pricing_spec records associated with a pricing_program_timing."""
+	if not pptid:
+		return []
+	env = ServerEnv()
+	async with get_sor_context(env, 'pricing') as sor:
+		recs = await sor.sqlExe(
+			"SELECT DISTINCT s.* FROM pricing_spec s "
+			"INNER JOIN pricing_item pi ON pi.psid = s.id "
+			"WHERE pi.pptid = ${pptid}$",
+			{'pptid': pptid}
+		)
+		return list(recs)
+
+
+async def sor_get_spec_fields(sor, item_id):
+	"""Get spec field names for a pricing_item by looking up its psid."""
+	if not item_id:
+		return []
+	recs = await sor.R('pricing_item', {'id': item_id})
+	if not recs or not recs[0].psid:
+		return []
+	spec_recs = await sor.R('pricing_spec', {'id': recs[0].psid})
+	if not spec_recs or not spec_recs[0].spec_names:
+		return []
+	try:
+		spec_data = json.loads(spec_recs[0].spec_names)
+		if isinstance(spec_data, list):
+			return [f['name'] for f in spec_data if isinstance(f, dict) and 'name' in f]
+	except (json.JSONDecodeError, TypeError, KeyError):
+		pass
+	return []
+
+
+async def get_all_spec_fields_by_pptid(request, pptid):
+	"""Template function: returns JSON string of dynamic field definitions
+	from pricing_spec.spec_names for all specs linked to the given pptid.
+	Used in index.ui to inject extra fields into the fields array."""
+	if not pptid:
+		return ''
+	env = ServerEnv()
+	async with get_sor_context(env, 'pricing') as sor:
+		specs = await sor.sqlExe(
+			"SELECT DISTINCT s.spec_names FROM pricing_spec s "
+			"INNER JOIN pricing_item pi ON pi.psid = s.id "
+			"WHERE pi.pptid = ${pptid}$ AND s.spec_names IS NOT NULL AND s.spec_names != ''",
+			{'pptid': pptid}
+		)
+	all_fields = []
+	seen = set()
+	for spec in specs:
+		try:
+			fields = json.loads(spec.spec_names)
+			if isinstance(fields, list):
+				for f in fields:
+					if isinstance(f, dict) and 'name' in f and f['name'] not in seen:
+						seen.add(f['name'])
+						all_fields.append(f)
+		except (json.JSONDecodeError, TypeError):
+			continue
+	if not all_fields:
+		return ''
+	return ',\n'.join(json.dumps(f, ensure_ascii=False) for f in all_fields)
+
+
 if __name__ == '__main__':
 	MyLogger('Pricing', levelname='info')
 	yamlstr = """fields: