diff --git a/src/renderer/parameters_context.rs b/src/renderer/parameters_context.rs
index e614adc..ade5aa2 100644
--- a/src/renderer/parameters_context.rs
+++ b/src/renderer/parameters_context.rs
@@ -43,21 +43,19 @@ impl<'a> ParametersContext<'a> {
             .iter()
             .map(|kvpair| {
                 let k = kvpair.key;
-                let v: BreadcrumbTreeElement<'a> = match &kvpair.value {
+                let v: Option<BreadcrumbTreeElement<'a>> = match &kvpair.value {
                     RValue::RVLiteral(owned_literal) => {
-                        BreadcrumbTreeElement::Borrowed(&kvpair.value)
+                        Some(BreadcrumbTreeElement::Borrowed(&kvpair.value))
                     }
-                    /*RValue::RVPath(path) => kvpair
-                    .value
-                    .into_context_element(renderer, breadcrumbs)
-                    .unwrap()
-                    .get_context_element_reference()
-                    .from_context_element(),*/
-                    RValue::RVPath(path) => todo!(),
+                    RValue::RVPath(path) => kvpair
+                        .value
+                        .into_context_element(renderer, breadcrumbs)
+                        .map(std::convert::From::from),
                     RValue::RVTemplate(template) => todo!(),
                 };
-                (k, v)
+                v.map(|some_v| (k, some_v))
             })
+            .filter_map(|pair| pair)
             .collect();
 
         ParametersContext {