diff --git a/charts/mimoto/questions.yaml b/charts/mimoto/questions.yaml
index 3a67ac0..b03655a 100644
--- a/charts/mimoto/questions.yaml
+++ b/charts/mimoto/questions.yaml
@@ -13,6 +13,10 @@ questions:
   type: string
   label: Esignet Hostname
 
+- variable: envVars.openg2p_pbms_baseUrl
+  type: string
+  label: OpenG2P PBMS Base URL
+
 - variable: springCloudConfig.enabled
   description: Enables Spring Cloud Config.
   type: boolean
diff --git a/charts/mimoto/values.yaml b/charts/mimoto/values.yaml
index b5de7b9..fd50379 100644
--- a/charts/mimoto/values.yaml
+++ b/charts/mimoto/values.yaml
@@ -448,6 +448,8 @@ envVars:
   mimoto_oidc_openg2p_partner_clientid: openg2p-mimoto-oidc
   mimoto_wallet_binding_partner_api_key: ""
 
+  openg2p_pbms_baseUrl: https://pbms.openg2p.sandbox.net
+
 # Env Vars from this section will be rendered on the service if springCloudConfig.enabled=false.
 # Else they will be rendered on config-server as overrides.
 envVarsFrom: {}