diff --git a/crates/fidc-core/src/platform_strategy_spec.rs b/crates/fidc-core/src/platform_strategy_spec.rs
index cf0947b..633be0f 100644
--- a/crates/fidc-core/src/platform_strategy_spec.rs
+++ b/crates/fidc-core/src/platform_strategy_spec.rs
@@ -36,6 +36,14 @@ pub struct StrategyRuntimeSpec {
     pub engine_config: Option<StrategyEngineConfig>,
     #[serde(default, alias = "runtime_expressions")]
     pub runtime_expressions: Option<StrategyRuntimeExpressions>,
+    #[serde(default, alias = "factor_refs")]
+    pub factor_refs: Vec<String>,
+    #[serde(default)]
+    pub metadata: Option<Value>,
+    #[serde(default, alias = "factor_value_bindings")]
+    pub factor_value_bindings: Vec<Value>,
+    #[serde(default)]
+    pub parameters: Option<Value>,
     #[serde(default)]
     pub environment: Option<StrategyRuntimeEnvironment>,
 }