diff --git a/src/ZoneCodeGeneratorLib/Domain/Extension/CustomAction.cpp b/src/ZoneCodeGeneratorLib/Domain/Extension/CustomAction.cpp
index e02166c8..a433428b 100644
--- a/src/ZoneCodeGeneratorLib/Domain/Extension/CustomAction.cpp
+++ b/src/ZoneCodeGeneratorLib/Domain/Extension/CustomAction.cpp
@@ -1,6 +1,7 @@
 #include "CustomAction.h"
 
-CustomAction::CustomAction(std::string actionName)
-    : m_action_name(std::move(actionName))
+CustomAction::CustomAction(std::string actionName, std::vector<DataDefinition*> parameterTypes)
+    : m_action_name(std::move(actionName)),
+      m_parameter_types(std::move(parameterTypes))
 {
 }
diff --git a/src/ZoneCodeGeneratorLib/Domain/Extension/CustomAction.h b/src/ZoneCodeGeneratorLib/Domain/Extension/CustomAction.h
index 615ea9e5..b5fa5d79 100644
--- a/src/ZoneCodeGeneratorLib/Domain/Extension/CustomAction.h
+++ b/src/ZoneCodeGeneratorLib/Domain/Extension/CustomAction.h
@@ -11,5 +11,5 @@ public:
     std::string m_action_name;
     std::vector<DataDefinition*> m_parameter_types;
 
-    explicit CustomAction(std::string actionName);
+    CustomAction(std::string actionName, std::vector<DataDefinition*> parameterTypes);
 };
diff --git a/src/ZoneCodeGeneratorLib/Parsing/Commands/Sequence/SequenceAction.cpp b/src/ZoneCodeGeneratorLib/Parsing/Commands/Sequence/SequenceAction.cpp
index 1e3475f4..59ad7231 100644
--- a/src/ZoneCodeGeneratorLib/Parsing/Commands/Sequence/SequenceAction.cpp
+++ b/src/ZoneCodeGeneratorLib/Parsing/Commands/Sequence/SequenceAction.cpp
@@ -38,4 +38,45 @@ SequenceAction::SequenceAction()
 
 void SequenceAction::ProcessMatch(CommandsParserState* state, SequenceResult<CommandsParserValue>& result) const
 {
+    StructureInformation* type;
+    const auto& actionNameToken = result.NextCapture(CAPTURE_ACTION_NAME);
+
+    // If a typename was specified then try to parse it
+    // Otherwise take the name that was specified with the last use command
+    if (result.HasNextCapture(CAPTURE_TYPE))
+    {
+        const auto& typeNameToken = result.NextCapture(CAPTURE_TYPE);
+        std::vector<MemberInformation*> memberChain;
+
+        if (!state->GetTypenameAndMembersFromTypename(typeNameToken.TypeNameValue(), type, memberChain))
+            throw ParsingException(typeNameToken.GetPos(), "Unknown type");
+
+        if (!memberChain.empty())
+        {
+            type = memberChain.back()->m_type;
+            if (type == nullptr)
+                throw ParsingException(typeNameToken.GetPos(), "Member is not a data type with members.");
+        }
+    }
+    else if (state->GetInUse() != nullptr)
+    {
+        type = state->GetInUse();
+    }
+    else
+        throw ParsingException(actionNameToken.GetPos(), "No type is used. Therefore one needs to be specified directly.");
+
+    // Extract all parameter types that were specified
+    std::vector<DataDefinition*> parameterTypes;
+    while(result.HasNextCapture(CAPTURE_ARG_TYPE))
+    {
+        const auto& argTypeToken = result.NextCapture(CAPTURE_ARG_TYPE);
+        auto* dataDefinition = state->GetRepository()->GetDataDefinitionByName(argTypeToken.TypeNameValue());
+
+        if (dataDefinition == nullptr)
+            throw ParsingException(argTypeToken.GetPos(), "Unknown type");
+
+        parameterTypes.push_back(dataDefinition);
+    }
+
+    type->m_post_load_action = std::make_unique<CustomAction>(actionNameToken.IdentifierValue(), std::move(parameterTypes));
 }