diff --git a/src/envoy/properties.rs b/src/envoy/properties.rs
index 66cb4a4..43c1a3f 100644
--- a/src/envoy/properties.rs
+++ b/src/envoy/properties.rs
@@ -10,8 +10,183 @@ pub struct EnvoyTypeMapper {
 impl EnvoyTypeMapper {
     pub fn new() -> Self {
         let mut properties: BTreeMap<String, Box<MapperFn>> = BTreeMap::new();
-        properties.insert("foo.bar".to_string(), Box::new(TypedProperty::string));
-        properties.insert("foo.car".to_string(), Box::new(TypedProperty::integer));
+        properties.insert(
+            "request.time".to_string(),
+            Box::new(TypedProperty::timestamp),
+        );
+
+        properties.insert("request.id".to_string(), Box::new(TypedProperty::string));
+        properties.insert(
+            "request.protocol".to_string(),
+            Box::new(TypedProperty::string),
+        );
+        properties.insert(
+            "request.scheme".to_string(),
+            Box::new(TypedProperty::string),
+        );
+        properties.insert("request.host".to_string(), Box::new(TypedProperty::string));
+        properties.insert(
+            "request.method".to_string(),
+            Box::new(TypedProperty::string),
+        );
+        properties.insert("request.path".to_string(), Box::new(TypedProperty::string));
+        properties.insert(
+            "request.url_path".to_string(),
+            Box::new(TypedProperty::string),
+        );
+        properties.insert("request.query".to_string(), Box::new(TypedProperty::string));
+        properties.insert(
+            "request.referer".to_string(),
+            Box::new(TypedProperty::string),
+        );
+        properties.insert(
+            "request.useragent".to_string(),
+            Box::new(TypedProperty::string),
+        );
+        properties.insert("request.body".to_string(), Box::new(TypedProperty::string));
+        properties.insert(
+            "source.address".to_string(),
+            Box::new(TypedProperty::string),
+        );
+        properties.insert(
+            "source.service".to_string(),
+            Box::new(TypedProperty::string),
+        );
+        properties.insert(
+            "source.principal".to_string(),
+            Box::new(TypedProperty::string),
+        );
+        properties.insert(
+            "source.certificate".to_string(),
+            Box::new(TypedProperty::string),
+        );
+        properties.insert(
+            "destination.address".to_string(),
+            Box::new(TypedProperty::string),
+        );
+        properties.insert(
+            "destination.service".to_string(),
+            Box::new(TypedProperty::string),
+        );
+        properties.insert(
+            "destination.principal".to_string(),
+            Box::new(TypedProperty::string),
+        );
+        properties.insert(
+            "destination.certificate".to_string(),
+            Box::new(TypedProperty::string),
+        );
+        properties.insert(
+            "connection.requested_server_name".to_string(),
+            Box::new(TypedProperty::string),
+        );
+        properties.insert(
+            "connection.tls_session.sni".to_string(),
+            Box::new(TypedProperty::string),
+        );
+        properties.insert(
+            "connection.tls_version".to_string(),
+            Box::new(TypedProperty::string),
+        );
+        properties.insert(
+            "connection.subject_local_certificate".to_string(),
+            Box::new(TypedProperty::string),
+        );
+        properties.insert(
+            "connection.subject_peer_certificate".to_string(),
+            Box::new(TypedProperty::string),
+        );
+        properties.insert(
+            "connection.dns_san_local_certificate".to_string(),
+            Box::new(TypedProperty::string),
+        );
+        properties.insert(
+            "connection.dns_san_peer_certificate".to_string(),
+            Box::new(TypedProperty::string),
+        );
+        properties.insert(
+            "connection.uri_san_local_certificate".to_string(),
+            Box::new(TypedProperty::string),
+        );
+        properties.insert(
+            "connection.uri_san_peer_certificate".to_string(),
+            Box::new(TypedProperty::string),
+        );
+        properties.insert(
+            "connection.sha256_peer_certificate_digest".to_string(),
+            Box::new(TypedProperty::string),
+        );
+        properties.insert(
+            "ratelimit.domain".to_string(),
+            Box::new(TypedProperty::string),
+        );
+
+        properties.insert("request.size".to_string(), Box::new(TypedProperty::integer));
+        properties.insert("source.port".to_string(), Box::new(TypedProperty::integer));
+        properties.insert(
+            "destination.port".to_string(),
+            Box::new(TypedProperty::integer),
+        );
+        properties.insert(
+            "connection.id".to_string(),
+            Box::new(TypedProperty::integer),
+        );
+        properties.insert(
+            "ratelimit.hits_addend".to_string(),
+            Box::new(TypedProperty::integer),
+        );
+
+        properties.insert("metadata".to_string(), Box::new(TypedProperty::metadata));
+
+        properties.insert(
+            "request.headers".to_string(),
+            Box::new(TypedProperty::string_map),
+        );
+        properties.insert(
+            "request.context_extensions".to_string(),
+            Box::new(TypedProperty::string_map),
+        );
+        properties.insert(
+            "source.labels".to_string(),
+            Box::new(TypedProperty::string_map),
+        );
+        properties.insert(
+            "destination.labels".to_string(),
+            Box::new(TypedProperty::string_map),
+        );
+        properties.insert(
+            "filter_state".to_string(),
+            Box::new(TypedProperty::string_map),
+        );
+
+        properties.insert(
+            "auth.metadata".to_string(),
+            Box::new(TypedProperty::complex_map),
+        );
+        properties.insert(
+            "auth.authorization".to_string(),
+            Box::new(TypedProperty::complex_map),
+        );
+        properties.insert(
+            "auth.response".to_string(),
+            Box::new(TypedProperty::complex_map),
+        );
+        properties.insert(
+            "auth.callbacks".to_string(),
+            Box::new(TypedProperty::complex_map),
+        );
+
+        properties.insert(
+            "connection.mtls".to_string(),
+            Box::new(TypedProperty::boolean),
+        );
+
+        properties.insert(
+            "request.raw_body".to_string(),
+            Box::new(TypedProperty::bytes),
+        );
+        properties.insert("auth.identity".to_string(), Box::new(TypedProperty::bytes));
+
         Self {
             known_properties: properties,
         }
diff --git a/src/filter/http_context.rs b/src/filter/http_context.rs
index a23540e..ba53b37 100644
--- a/src/filter/http_context.rs
+++ b/src/filter/http_context.rs
@@ -167,10 +167,7 @@ impl Filter {
                 );
                 None
             }
-            Some(attribute_bytes) => match self
-                .property_mapper
-                .typed(path, attribute_bytes)
-            {
+            Some(attribute_bytes) => match self.property_mapper.typed(path, attribute_bytes) {
                 Ok(tp) => Some(tp),
                 Err(raw) => Some(TypedProperty::string(raw)),
             },
diff --git a/src/typing.rs b/src/typing.rs
index 9f31722..34280ec 100644
--- a/src/typing.rs
+++ b/src/typing.rs
@@ -24,6 +24,26 @@ impl TypedProperty {
         }
     }
 
+    pub fn timestamp(bytes: Vec<u8>) -> Self {
+        TypedProperty::Bytes(bytes.to_vec())
+    }
+
+    pub fn string_map(bytes: Vec<u8>) -> Self {
+        TypedProperty::Bytes(bytes.to_vec())
+    }
+
+    pub fn complex_map(bytes: Vec<u8>) -> Self {
+        TypedProperty::Bytes(bytes.to_vec())
+    }
+
+    pub fn boolean(bytes: Vec<u8>) -> Self {
+        TypedProperty::Bytes(bytes.to_vec())
+    }
+
+    pub fn metadata(bytes: Vec<u8>) -> Self {
+        TypedProperty::Bytes(bytes.to_vec())
+    }
+
     pub fn bytes(bytes: Vec<u8>) -> Self {
         TypedProperty::Bytes(bytes.to_vec())
     }
@@ -46,7 +66,9 @@ impl TypedProperty {
 
     pub fn as_literal(&self) -> String {
         match self {
-            TypedProperty::String(str) => format!("\"{}\"", str.replace('\\', "\\\\").replace('"', "\\\"")),
+            TypedProperty::String(str) => {
+                format!("\"{}\"", str.replace('\\', "\\\\").replace('"', "\\\""))
+            }
             TypedProperty::Integer(int) => int.to_string(),
             TypedProperty::Bytes(bytes) => {
                 let len = 5 * bytes.len();