diff --git a/extension-framework/cpp-extension-lib/src/core/ProcessSession.cpp b/extension-framework/cpp-extension-lib/src/core/ProcessSession.cpp
index cc7ab50e1d..8b13b09c2a 100644
--- a/extension-framework/cpp-extension-lib/src/core/ProcessSession.cpp
+++ b/extension-framework/cpp-extension-lib/src/core/ProcessSession.cpp
@@ -118,20 +118,20 @@ void ProcessSession::read(FlowFile& flow_file, const io::InputStreamCallback& ca
 
 void ProcessSession::setAttribute(FlowFile& ff, const std::string_view key, std::string value) {  // NOLINT(performance-unnecessary-value-param)
   const MinifiStringView value_ref = utils::toStringView(value);
-  if (MINIFI_STATUS_SUCCESS != MinifiFlowFileSetAttribute(impl_, ff.get(), utils::toStringView(key), &value_ref)) {
+  if (MINIFI_STATUS_SUCCESS != MinifiProcessSessionSetFlowFileAttribute(impl_, ff.get(), utils::toStringView(key), &value_ref)) {
     throw minifi::Exception(minifi::FILE_OPERATION_EXCEPTION, "Failed to set attribute");
   }
 }
 
 void ProcessSession::removeAttribute(FlowFile& ff, const std::string_view key) {
-  if (MINIFI_STATUS_SUCCESS != MinifiFlowFileSetAttribute(impl_, ff.get(), utils::toStringView(key), nullptr)) {
+  if (MINIFI_STATUS_SUCCESS != MinifiProcessSessionSetFlowFileAttribute(impl_, ff.get(), utils::toStringView(key), nullptr)) {
     throw minifi::Exception(minifi::FILE_OPERATION_EXCEPTION, "Failed to remove attribute");
   }
 }
 
 std::optional<std::string> ProcessSession::getAttribute(FlowFile& ff, std::string_view key) {
   std::optional<std::string> result;
-  MinifiFlowFileGetAttribute(impl_, ff.get(), utils::toStringView(key), [] (void* user_ctx, MinifiStringView value) {
+  MinifiProcessSessionGetFlowFileAttribute(impl_, ff.get(), utils::toStringView(key), [] (void* user_ctx, MinifiStringView value) {
     *static_cast<std::optional<std::string>*>(user_ctx) = std::string{value.data, value.length};
   }, &result);
   return result;
@@ -139,8 +139,8 @@ std::optional<std::string> ProcessSession::getAttribute(FlowFile& ff, std::strin
 
 std::map<std::string, std::string> ProcessSession::getAttributes(FlowFile& ff) {
   std::map<std::string, std::string> result;
-  MinifiFlowFileGetAttributes(impl_, ff.get(), [] (void* user_ctx, MinifiStringView value, MinifiStringView key) {
-    static_cast<std::map<std::string, std::string>*>(user_ctx)->insert({std::string{value.data, value.length}, std::string{key.data, key.length}});
+  MinifiProcessSessionGetFlowFileAttributes(impl_, ff.get(), [] (void* user_ctx, const MinifiStringView key, const MinifiStringView value) {
+    static_cast<std::map<std::string, std::string>*>(user_ctx)->insert({std::string{key.data, key.length}, std::string{value.data, value.length}});
   }, &result);
   return result;
 }
diff --git a/libminifi/src/minifi-c.cpp b/libminifi/src/minifi-c.cpp
index 54a3dba8fb..1c5d98fcf0 100644
--- a/libminifi/src/minifi-c.cpp
+++ b/libminifi/src/minifi-c.cpp
@@ -24,6 +24,7 @@
 #include "core/ProcessorMetrics.h"
 #include "core/extension/ExtensionManager.h"
 #include "minifi-cpp/Exception.h"
+#include "minifi-cpp/controllers/SSLContextServiceInterface.h"
 #include "minifi-cpp/core/Annotation.h"
 #include "minifi-cpp/core/ClassLoader.h"
 #include "minifi-cpp/core/ProcessContext.h"
@@ -35,8 +36,8 @@
 #include "minifi-cpp/core/PropertyValidator.h"
 #include "minifi-cpp/core/logging/Logger.h"
 #include "minifi-cpp/core/state/PublishedMetricProvider.h"
-#include "utils/CProcessor.h"
 #include "utils/CControllerService.h"
+#include "utils/CProcessor.h"
 #include "utils/PropertyErrors.h"
 
 namespace minifi = org::apache::nifi::minifi;
@@ -435,6 +436,18 @@ MINIFI_OWNED MinifiFlowFile* MinifiProcessSessionCreate(MinifiProcessSession* se
   return MINIFI_NULL;
 }
 
+MinifiStatus MinifiProcessSessionPenalize(MinifiProcessSession* session, MinifiFlowFile* flowfile) {
+  gsl_Assert(session != MINIFI_NULL);
+  gsl_Assert(flowfile !=  MINIFI_NULL);
+  try {
+    reinterpret_cast<minifi::core::ProcessSession*>(session)->penalize(
+        *reinterpret_cast<std::shared_ptr<minifi::core::FlowFile>*>(flowfile));
+    return MINIFI_STATUS_SUCCESS;
+  } catch (...) {
+    return MINIFI_STATUS_UNKNOWN_ERROR;
+  }
+}
+
 MinifiStatus MinifiProcessSessionTransfer(MinifiProcessSession* session, MINIFI_OWNED MinifiFlowFile* flowfile, MinifiStringView relationship_name) {
   gsl_Assert(session != MINIFI_NULL);
   gsl_Assert(flowfile !=  MINIFI_NULL);
@@ -501,7 +514,7 @@ int64_t MinifiOutputStreamWrite(MinifiOutputStream* stream, const char* data, si
   return gsl::narrow<int64_t>(reinterpret_cast<minifi::io::OutputStream*>(stream)->write(as_bytes(std::span(data, size))));
 }
 
-MinifiStatus MinifiFlowFileSetAttribute(MinifiProcessSession* session, MinifiFlowFile* flowfile, MinifiStringView attribute_name, const MinifiStringView* attribute_value) {
+MinifiStatus MinifiProcessSessionSetFlowFileAttribute(MinifiProcessSession* session, MinifiFlowFile* flowfile, MinifiStringView attribute_name, const MinifiStringView* attribute_value) {
   gsl_Assert(session != MINIFI_NULL);
   gsl_Assert(flowfile != MINIFI_NULL);
   if (attribute_value == nullptr) {
@@ -513,7 +526,7 @@ MinifiStatus MinifiFlowFileSetAttribute(MinifiProcessSession* session, MinifiFlo
   return MINIFI_STATUS_SUCCESS;
 }
 
-MinifiBool MinifiFlowFileGetAttribute(MinifiProcessSession* session, MinifiFlowFile* flowfile, MinifiStringView attribute_name,
+MinifiBool MinifiProcessSessionGetFlowFileAttribute(MinifiProcessSession* session, MinifiFlowFile* flowfile, MinifiStringView attribute_name,
                                       void(*cb)(void* user_ctx, MinifiStringView attribute_value), void* user_ctx) {
   gsl_Assert(session != MINIFI_NULL);
   gsl_Assert(flowfile != MINIFI_NULL);
@@ -525,7 +538,7 @@ MinifiBool MinifiFlowFileGetAttribute(MinifiProcessSession* session, MinifiFlowF
   return true;
 }
 
-void MinifiFlowFileGetAttributes(MinifiProcessSession* session, MinifiFlowFile* flowfile,
+void MinifiProcessSessionGetFlowFileAttributes(MinifiProcessSession* session, MinifiFlowFile* flowfile,
                                  void(*cb)(void* user_ctx, MinifiStringView attribute_name, MinifiStringView attribute_value), void* user_ctx) {
   gsl_Assert(session != MINIFI_NULL);
   gsl_Assert(flowfile != MINIFI_NULL);
@@ -534,6 +547,20 @@ void MinifiFlowFileGetAttributes(MinifiProcessSession* session, MinifiFlowFile*
   }
 }
 
+uint64_t MinifiProcessSessionGetFlowFileSize(MinifiProcessSession* session, MinifiFlowFile* flowfile) {
+  gsl_Assert(session != MINIFI_NULL);
+  gsl_Assert(flowfile != MINIFI_NULL);
+  return (*reinterpret_cast<std::shared_ptr<minifi::core::FlowFile>*>(flowfile))->getSize();
+}
+
+MinifiStatus MinifiProcessSessionGetFlowFileId(MinifiProcessSession* session, MinifiFlowFile* flowfile, void(*cb)(void* user_ctx, MinifiStringView flow_file_id), void* user_ctx) {
+  gsl_Assert(session != MINIFI_NULL);
+  gsl_Assert(flowfile != MINIFI_NULL);
+  const auto uuid_small_str = (*reinterpret_cast<std::shared_ptr<minifi::core::FlowFile>*>(flowfile))->getUUIDStr();
+  cb(user_ctx, minifiStringView(uuid_small_str.view()));
+  return MINIFI_STATUS_SUCCESS;
+}
+
 MinifiStatus MinifiControllerServiceContextGetProperty(MinifiControllerServiceContext* context, MinifiStringView property_name,
     void (*result_cb)(void* user_ctx, MinifiStringView result), void* user_ctx) {
   gsl_Assert(context != MINIFI_NULL);
@@ -551,7 +578,6 @@ MinifiStatus MinifiControllerServiceContextGetProperty(MinifiControllerServiceCo
   }
 }
 
-
 MinifiStatus MinifiProcessContextGetControllerService(
     MinifiProcessContext* process_context,
     const MinifiStringView controller_service_name,
@@ -578,5 +604,43 @@ MinifiStatus MinifiProcessContextGetControllerService(
   return MINIFI_STATUS_VALIDATION_FAILED;
 }
 
+void MinifiProcessContextGetDynamicProperties(MinifiProcessContext* context, MinifiFlowFile* minifi_flow_file,
+    void (*cb)(void* user_ctx, MinifiStringView dynamic_property_name, MinifiStringView dynamic_property_value), void* user_ctx) {
+  gsl_Assert(context != MINIFI_NULL);
+  auto flow_file = minifi_flow_file != MINIFI_NULL ? reinterpret_cast<std::shared_ptr<minifi::core::FlowFile>*>(minifi_flow_file)->get() : nullptr;
+  for (auto& [key, value] : reinterpret_cast<minifi::core::ProcessContext*>(context)->getDynamicProperties(flow_file)) {
+    cb(user_ctx, minifiStringView(key), minifiStringView(value));
+  }
+}
+
+MinifiStatus MinifiProcessContextGetSslData(MinifiProcessContext* process_context, MinifiStringView controller_service_name,
+    void (*cb)(void* user_ctx, const MinifiSslData* ssl_data), void* user_ctx) {
+  gsl_Assert(process_context != MINIFI_NULL);
+  try {
+    const auto context = reinterpret_cast<minifi::core::ProcessContext*>(process_context);
+    const auto name_str = std::string{toStringView(controller_service_name)};
+    const auto service_shared_ptr = context->getControllerService(name_str, context->getProcessorInfo().getUUID());
+    if (!service_shared_ptr) { return MINIFI_STATUS_VALIDATION_FAILED; }
+    if (const auto ssl_context_service = dynamic_cast<minifi::controllers::SSLContextServiceInterface*>(service_shared_ptr.get())) {
+      const std::string ca_cert_file = ssl_context_service->getCACertificate().string();
+      const std::string passphrase = ssl_context_service->getPassphrase();
+      const std::string cert_file = ssl_context_service->getCertificateFile().string();
+      const std::string private_key_file = ssl_context_service->getPrivateKeyFile().string();
+
+      MinifiSslData ssl_data{
+        .ca_certificate_file = minifiStringView(ca_cert_file),
+        .certificate_file = minifiStringView(cert_file),
+        .private_key_file = minifiStringView(private_key_file),
+        .passphrase = minifiStringView(passphrase),
+      };
+      cb(user_ctx, &ssl_data);
+      return MINIFI_STATUS_SUCCESS;
+    }
+    return MINIFI_STATUS_VALIDATION_FAILED;
+  } catch (...) {
+    return MINIFI_STATUS_UNKNOWN_ERROR;
+  }
+}
+
 
 }  // extern "C"
diff --git a/minifi-api/include/minifi-c/minifi-c.h b/minifi-api/include/minifi-c/minifi-c.h
index 97c969ab49..e846efbdcf 100644
--- a/minifi-api/include/minifi-c/minifi-c.h
+++ b/minifi-api/include/minifi-c/minifi-c.h
@@ -41,6 +41,10 @@ extern "C" {
 #define MINIFI_REGISTER_EXTENSION_FN MinifiRegisterExtension
 #endif
 
+/// To declare a processor property that expects an SSLContextService,
+/// use MINIFI_SSL_CONTEXT_SERVICE_PROPERTY_TYPE in the type field of the property definition (MinifiPropertyDefinition::type)
+#define MINIFI_SSL_CONTEXT_SERVICE_PROPERTY_TYPE "org.apache.nifi.minifi.controllers.SSLContextServiceInterface"
+
 enum : uint32_t {
   MINIFI_API_VERSION = 3
 };
@@ -231,6 +235,8 @@ MinifiBool MinifiProcessContextHasNonEmptyProperty(MinifiProcessContext* context
 
 MinifiStatus MinifiProcessContextGetControllerService(
     MinifiProcessContext* process_context, MinifiStringView controller_service_name, MinifiStringView controller_service_type, MinifiControllerService** controller_service_out);
+void MinifiProcessContextGetDynamicProperties(MinifiProcessContext* context, MinifiFlowFile* minifi_flow_file,
+    void (*cb)(void* user_ctx, MinifiStringView dynamic_property_name, MinifiStringView dynamic_property_value), void* user_ctx);
 
 void MinifiLoggerSetMaxLogSize(MinifiLogger*, int32_t);
 void MinifiLoggerLogString(MinifiLogger*, MinifiLogLevel, MinifiStringView);
@@ -240,6 +246,7 @@ MinifiLogLevel MinifiLoggerLevel(MinifiLogger*);
 MINIFI_OWNED MinifiFlowFile* MinifiProcessSessionGet(MinifiProcessSession*);
 MINIFI_OWNED MinifiFlowFile* MinifiProcessSessionCreate(MinifiProcessSession* session, MinifiFlowFile* parent_flowfile);
 
+MinifiStatus MinifiProcessSessionPenalize(MinifiProcessSession* session, MinifiFlowFile* flowfile);
 MinifiStatus MinifiProcessSessionTransfer(MinifiProcessSession* session, MINIFI_OWNED MinifiFlowFile* flowfile, MinifiStringView relationship_name);
 MinifiStatus MinifiProcessSessionRemove(MinifiProcessSession* session, MINIFI_OWNED MinifiFlowFile* flowfile);
 
@@ -253,16 +260,29 @@ size_t MinifiInputStreamSize(MinifiInputStream*);
 int64_t MinifiInputStreamRead(MinifiInputStream* stream, char* buffer, size_t size);
 int64_t MinifiOutputStreamWrite(MinifiOutputStream* stream, const char* data, size_t size);
 
-MinifiStatus MinifiFlowFileSetAttribute(MinifiProcessSession* session, MinifiFlowFile* flowfile, MinifiStringView attribute_name, const MinifiStringView* attribute_value);
-MinifiBool MinifiFlowFileGetAttribute(MinifiProcessSession* session, MinifiFlowFile* flowfile, MinifiStringView attribute_name,
+MinifiStatus MinifiProcessSessionSetFlowFileAttribute(MinifiProcessSession* session, MinifiFlowFile* flowfile, MinifiStringView attribute_name, const MinifiStringView* attribute_value);
+MinifiBool MinifiProcessSessionGetFlowFileAttribute(MinifiProcessSession* session, MinifiFlowFile* flowfile, MinifiStringView attribute_name,
                                       void(*cb)(void* user_ctx, MinifiStringView attribute_value), void* user_ctx);
-void MinifiFlowFileGetAttributes(MinifiProcessSession* session, MinifiFlowFile* flowfile, void(*cb)(void* user_ctx, MinifiStringView attribute_name, MinifiStringView attribute_value), void* user_ctx);
+void MinifiProcessSessionGetFlowFileAttributes(MinifiProcessSession* session, MinifiFlowFile* flowfile,
+    void (*cb)(void* user_ctx, MinifiStringView attribute_name, MinifiStringView attribute_value), void* user_ctx);
+uint64_t MinifiProcessSessionGetFlowFileSize(MinifiProcessSession* session, MinifiFlowFile* flowfile);
+MinifiStatus MinifiProcessSessionGetFlowFileId(MinifiProcessSession* session, MinifiFlowFile* flowfile, void(*cb)(void* user_ctx, MinifiStringView flow_file_id), void* user_ctx);
 
 MinifiStatus MinifiControllerServiceContextGetProperty(MinifiControllerServiceContext* context,
     MinifiStringView property_name,
     void(*cb)(void* user_ctx, MinifiStringView property_value),
     void* user_ctx);
 
+typedef struct MinifiSslData {
+  MinifiStringView ca_certificate_file;
+  MinifiStringView certificate_file;
+  MinifiStringView private_key_file;
+  MinifiStringView passphrase;
+} MinifiSslData;
+
+MinifiStatus MinifiProcessContextGetSslData(MinifiProcessContext* process_context, MinifiStringView controller_service_name,
+    void (*cb)(void* user_ctx, const MinifiSslData* ssl_data), void* user_ctx);
+
 #ifdef __cplusplus
 }  // extern "C"
 #endif  // __cplusplus
diff --git a/minifi-api/minifi-c-api.def b/minifi-api/minifi-c-api.def
index b2cdcf4f43..0fcaf2ad97 100644
--- a/minifi-api/minifi-c-api.def
+++ b/minifi-api/minifi-c-api.def
@@ -16,12 +16,17 @@ EXPORTS
   MinifiProcessSessionCreate
   MinifiProcessSessionTransfer
   MinifiProcessSessionRemove
+  MinifiProcessSessionPenalize
   MinifiProcessSessionRead
   MinifiProcessSessionWrite
   MinifiConfigGet
   MinifiInputStreamSize
   MinifiInputStreamRead
   MinifiOutputStreamWrite
-  MinifiFlowFileSetAttribute
-  MinifiFlowFileGetAttribute
-  MinifiFlowFileGetAttributes
+  MinifiProcessSessionSetFlowFileAttribute
+  MinifiProcessSessionGetFlowFileAttribute
+  MinifiProcessSessionGetFlowFileAttributes
+  MinifiProcessSessionGetFlowFileSize
+  MinifiProcessSessionGetFlowFileId
+  MinifiProcessContextGetDynamicProperties
+  MinifiProcessContextGetSslData