diff --git a/proxmox-api-macro/tests/api1.rs b/proxmox-api-macro/tests/api1.rs
index 9bf88859..be215660 100644
--- a/proxmox-api-macro/tests/api1.rs
+++ b/proxmox-api-macro/tests/api1.rs
@@ -274,15 +274,12 @@ fn func_with_option_schema_check() {
 
 struct RpcEnv;
 impl proxmox::api::RpcEnvironment for RpcEnv {
-    fn set_result_attrib(&mut self, name: &str, value: Value) {
-        let _ = (name, value);
-        panic!("set_result_attrib called");
+    fn result_attrib_mut(&mut self) -> &mut Value {
+        panic!("result_attrib_mut called");
     }
 
-    /// Query additional result data.
-    fn get_result_attrib(&self, name: &str) -> Option<&Value> {
-        let _ = name;
-        panic!("get_result_attrib called");
+    fn result_attrib(&self) -> &Value {
+        panic!("result_attrib called");
     }
 
     /// The environment type
diff --git a/proxmox-api-macro/tests/options.rs b/proxmox-api-macro/tests/options.rs
index 67fbd959..58ce39d1 100644
--- a/proxmox-api-macro/tests/options.rs
+++ b/proxmox-api-macro/tests/options.rs
@@ -41,15 +41,12 @@ pub fn test_default_macro(value: Option<isize>) -> Result<isize, Error> {
 
 struct RpcEnv;
 impl proxmox::api::RpcEnvironment for RpcEnv {
-    fn set_result_attrib(&mut self, name: &str, value: Value) {
-        let _ = (name, value);
-        panic!("set_result_attrib called");
+    fn result_attrib_mut(&mut self) -> &mut Value {
+        panic!("result_attrib_mut called");
     }
 
-    /// Query additional result data.
-    fn get_result_attrib(&self, name: &str) -> Option<&Value> {
-        let _ = name;
-        panic!("get_result_attrib called");
+    fn result_attrib(&self) -> &Value {
+        panic!("result_attrib called");
     }
 
     /// The environment type
diff --git a/proxmox/src/api/cli/environment.rs b/proxmox/src/api/cli/environment.rs
index fdba039f..4831e3fc 100644
--- a/proxmox/src/api/cli/environment.rs
+++ b/proxmox/src/api/cli/environment.rs
@@ -1,12 +1,11 @@
 use serde_json::Value;
-use std::collections::HashMap;
 
 use crate::api::{RpcEnvironment, RpcEnvironmentType};
 
 /// `RpcEnvironmet` implementation for command line tools
 #[derive(Default)]
 pub struct CliEnvironment {
-    result_attributes: HashMap<String, Value>,
+    result_attributes: Value,
     user: Option<String>,
 }
 
@@ -17,12 +16,12 @@ impl CliEnvironment {
 }
 
 impl RpcEnvironment for CliEnvironment {
-    fn set_result_attrib(&mut self, name: &str, value: Value) {
-        self.result_attributes.insert(name.into(), value);
+    fn result_attrib_mut(&mut self) -> &mut Value {
+        &mut self.result_attributes
     }
 
-    fn get_result_attrib(&self, name: &str) -> Option<&Value> {
-        self.result_attributes.get(name)
+    fn result_attrib(&self) -> &Value {
+        &self.result_attributes
     }
 
     fn env_type(&self) -> RpcEnvironmentType {
diff --git a/proxmox/src/api/rpc_environment.rs b/proxmox/src/api/rpc_environment.rs
index 3eabc042..a1e9cf26 100644
--- a/proxmox/src/api/rpc_environment.rs
+++ b/proxmox/src/api/rpc_environment.rs
@@ -6,10 +6,10 @@ use serde_json::Value;
 pub trait RpcEnvironment: std::any::Any + AsAny + Send {
     /// Use this to pass additional result data. It is up to the environment
     /// how the data is used.
-    fn set_result_attrib(&mut self, name: &str, value: Value);
+    fn result_attrib_mut(&mut self) -> &mut Value;
 
-    /// Query additional result data.
-    fn get_result_attrib(&self, name: &str) -> Option<&Value>;
+    /// Access result attribute immutable
+    fn result_attrib(&self) -> &Value;
 
     /// The environment type
     fn env_type(&self) -> RpcEnvironmentType;
@@ -35,3 +35,26 @@ pub enum RpcEnvironmentType {
     /// Access from privileged server (run as root)
     PRIVILEGED,
 }
+
+impl core::ops::Index<&str> for &dyn RpcEnvironment
+{
+    type Output = Value;
+    fn index(&self, index: &str) -> &Value {
+        &self.result_attrib().index(index)
+    }
+}
+
+impl core::ops::Index<&str> for &mut dyn RpcEnvironment
+{
+    type Output = Value;
+    fn index(&self, index: &str) -> &Value {
+        &self.result_attrib().index(index)
+    }
+}
+
+impl core::ops::IndexMut<&str> for &mut dyn RpcEnvironment
+{
+    fn index_mut(&mut self, index: &str) -> &mut Value {
+        self.result_attrib_mut().index_mut(index)
+    }
+}