diff --git a/examples/contracts/custom/src/contract.rs b/examples/contracts/custom/src/contract.rs
index df0806a7..f6727e18 100644
--- a/examples/contracts/custom/src/contract.rs
+++ b/examples/contracts/custom/src/contract.rs
@@ -1,5 +1,5 @@
 use cosmwasm_std::{CosmosMsg, QueryRequest, Response, StdResult};
-use sylvia::types::{ExecCtx, InstantiateCtx, QueryCtx};
+use sylvia::types::{ExecCtx, InstantiateCtx, QueryCtx, SudoCtx};
 use sylvia::{contract, schemars};
 
 #[cfg(not(feature = "library"))]
@@ -42,4 +42,11 @@ impl CustomContract {
 
         Ok(resp)
     }
+
+    #[msg(sudo)]
+    pub fn sudo_custom(&self, _ctx: SudoCtx<CounterQuery>) -> StdResult<Response<CounterMsg>> {
+        let msg = CosmosMsg::Custom(CounterMsg::Increment {});
+        let resp = Response::default().add_message(msg);
+        Ok(resp)
+    }
 }
diff --git a/examples/contracts/custom/src/multitest/tests.rs b/examples/contracts/custom/src/multitest/tests.rs
index 566ee7ff..45860e7a 100644
--- a/examples/contracts/custom/src/multitest/tests.rs
+++ b/examples/contracts/custom/src/multitest/tests.rs
@@ -24,4 +24,9 @@ fn test_custom() {
 
     let count = contract.query_custom().unwrap().count;
     assert_eq!(count, 1);
+
+    contract.sudo_custom().unwrap();
+
+    let count = contract.query_custom().unwrap().count;
+    assert_eq!(count, 2);
 }