diff --git a/build.gradle b/build.gradle
index 820c88b..9c42505 100644
--- a/build.gradle
+++ b/build.gradle
@@ -28,7 +28,7 @@ targetCompatibility = 17
 
 description = 'Structurizr DSL'
 group = 'com.structurizr'
-version = '1.33.1'
+version = '1.34.0'
 
 test {
     useJUnitPlatform()
diff --git a/docs/changelog.md b/docs/changelog.md
index f6d08d5..80d0f6f 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -1,8 +1,9 @@
 # Changelog
 
-## 1.33.1 (unreleased)
+## 1.34.0 (unreleased)
 
-- Fixes https://github.com/structurizr/dsl/issues/364 (.DS_Store file causes exception during !include <directory> on Windows)
+- Fixes https://github.com/structurizr/dsl/issues/364 (.DS_Store file causes exception during !include <directory> on Windows).
+- Adds a `getDslParser()` method to the `StructurizrDslPluginContext` class (https://github.com/structurizr/dsl/issues/361).
 
 ## 1.33.0 (27th October 2023)
 
diff --git a/src/main/java/com/structurizr/dsl/IdentifiersRegister.java b/src/main/java/com/structurizr/dsl/IdentifiersRegister.java
index ecbef0c..1d55245 100644
--- a/src/main/java/com/structurizr/dsl/IdentifiersRegister.java
+++ b/src/main/java/com/structurizr/dsl/IdentifiersRegister.java
@@ -20,18 +20,28 @@ public class IdentifiersRegister {
 
     private IdentifierScope identifierScope = IdentifierScope.Flat;
 
-    private Map<String, Element> elementsByIdentifier = new HashMap<>();
+    private final Map<String, Element> elementsByIdentifier = new HashMap<>();
 
-    private Map<String, Relationship> relationshipsByIdentifier = new HashMap<>();
+    private final Map<String, Relationship> relationshipsByIdentifier = new HashMap<>();
 
     IdentifiersRegister() {
     }
 
-    IdentifierScope getIdentifierScope() {
+    /**
+     * Gets the identifier scope in use (i.e. Flat or Hierarchical ... applies to elements only).
+     *
+     * @return      an IdentifierScope enum
+     */
+    public IdentifierScope getIdentifierScope() {
         return identifierScope;
     }
 
-    void setIdentifierScope(IdentifierScope identifierScope) {
+    /**
+     * Sets the identifier scope  (i.e. Flat or Hierarchical ... applies to elements only).
+     *
+     * @param identifierScope       an IdentifierScope enum
+     */
+    public void setIdentifierScope(IdentifierScope identifierScope) {
         this.identifierScope = identifierScope;
     }
 
@@ -64,7 +74,17 @@ public Element getElement(String identifier) {
         return elementsByIdentifier.get(identifier);
     }
 
-    void register(String identifier, Element element) {
+    /**
+     * Registers an element with the given identifier.
+     *
+     * @param identifier        an identifier
+     * @param element           an Element instance
+     */
+    public void register(String identifier, Element element) {
+        if (element == null) {
+            throw new IllegalArgumentException("An element must be specified");
+        }
+
         if (StringUtils.isNullOrEmpty(identifier)) {
             identifier = UUID.randomUUID().toString();
         }
@@ -109,7 +129,17 @@ public Relationship getRelationship(String identifier) {
         return relationshipsByIdentifier.get(identifier);
     }
 
-    void register(String identifier, Relationship relationship) {
+    /**
+     * Registers a relationship with the given identifier.
+     *
+     * @param identifier        an identifier
+     * @param relationship      a Relationship instance
+     */
+    public void register(String identifier, Relationship relationship) {
+        if (relationship == null) {
+            throw new IllegalArgumentException("A relationship must be specified");
+        }
+
         if (StringUtils.isNullOrEmpty(identifier)) {
             identifier = UUID.randomUUID().toString();
         }
@@ -146,7 +176,7 @@ private String calculateHierarchicalIdentifier(String identifier, Element elemen
      * @return  a String identifier (could be null if no identifier was explicitly specified)
      */
     public String findIdentifier(Element element) {
-        if (elementsByIdentifier.values().contains(element)) {
+        if (elementsByIdentifier.containsValue(element)) {
             for (String identifier : elementsByIdentifier.keySet()) {
                 Element e = elementsByIdentifier.get(identifier);
 
@@ -166,7 +196,7 @@ public String findIdentifier(Element element) {
      * @return  a String identifier (could be null if no identifier was explicitly specified, or for implied relationships)
      */
     public String findIdentifier(Relationship relationship) {
-        if (relationshipsByIdentifier.values().contains(relationship)) {
+        if (relationshipsByIdentifier.containsValue(relationship)) {
             for (String identifier : relationshipsByIdentifier.keySet()) {
                 Relationship r = relationshipsByIdentifier.get(identifier);
 
diff --git a/src/main/java/com/structurizr/dsl/PluginDslContext.java b/src/main/java/com/structurizr/dsl/PluginDslContext.java
index 888c912..a648c2e 100644
--- a/src/main/java/com/structurizr/dsl/PluginDslContext.java
+++ b/src/main/java/com/structurizr/dsl/PluginDslContext.java
@@ -8,11 +8,13 @@ class PluginDslContext extends DslContext {
 
     private final String fullyQualifiedClassName;
     private final File dslFile;
+    private final StructurizrDslParser dslParser;
     private final Map<String,String> parameters = new HashMap<>();
 
-    PluginDslContext(String fullyQualifiedClassName, File dslFile) {
+    PluginDslContext(String fullyQualifiedClassName, File dslFile, StructurizrDslParser dslParser) {
         this.fullyQualifiedClassName = fullyQualifiedClassName;
         this.dslFile = dslFile;
+        this.dslParser = dslParser;
     }
 
     void addParameter(String name, String value) {
@@ -24,7 +26,7 @@ void end() {
         try {
             Class pluginClass = loadClass(fullyQualifiedClassName, dslFile);
             StructurizrDslPlugin plugin = (StructurizrDslPlugin)pluginClass.getDeclaredConstructor().newInstance();
-            StructurizrDslPluginContext pluginContext = new StructurizrDslPluginContext(dslFile, getWorkspace(), parameters);
+            StructurizrDslPluginContext pluginContext = new StructurizrDslPluginContext(dslParser, dslFile, getWorkspace(), parameters);
             plugin.run(pluginContext);
         } catch (Exception e) {
             e.printStackTrace();
diff --git a/src/main/java/com/structurizr/dsl/StructurizrDslParser.java b/src/main/java/com/structurizr/dsl/StructurizrDslParser.java
index c51e792..ba4abc7 100644
--- a/src/main/java/com/structurizr/dsl/StructurizrDslParser.java
+++ b/src/main/java/com/structurizr/dsl/StructurizrDslParser.java
@@ -274,7 +274,7 @@ void parse(List<String> lines, File dslFile) throws StructurizrDslParserExceptio
                     } else if (PLUGIN_TOKEN.equalsIgnoreCase(firstToken)) {
                         if (!restricted) {
                             String fullyQualifiedClassName = new PluginParser().parse(getContext(), tokens.withoutContextStartToken());
-                            startContext(new PluginDslContext(fullyQualifiedClassName, dslFile));
+                            startContext(new PluginDslContext(fullyQualifiedClassName, dslFile, this));
                             if (!shouldStartContext(tokens)) {
                                 // run the plugin immediately, without looking for parameters
                                 endContext();
diff --git a/src/main/java/com/structurizr/dsl/StructurizrDslPluginContext.java b/src/main/java/com/structurizr/dsl/StructurizrDslPluginContext.java
index 69161d3..10f1049 100644
--- a/src/main/java/com/structurizr/dsl/StructurizrDslPluginContext.java
+++ b/src/main/java/com/structurizr/dsl/StructurizrDslPluginContext.java
@@ -11,6 +11,7 @@
  */
 public class StructurizrDslPluginContext {
 
+    private final StructurizrDslParser dslParser;
     private final File dslFile;
     private final Workspace workspace;
     private final Map<String,String> parameters;
@@ -18,16 +19,27 @@ public class StructurizrDslPluginContext {
     /**
      * Creates a new instance.
      *
+     * @param dslParser     a reference to the DSL parser that loaded the plugin
      * @param dslFile       a reference to the DSL file that loaded the plugin
      * @param workspace     the workspace
      * @param parameters    a map of name/value pairs representing parameters
      */
-    public StructurizrDslPluginContext(File dslFile, Workspace workspace, Map<String,String> parameters) {
+    public StructurizrDslPluginContext(StructurizrDslParser dslParser, File dslFile, Workspace workspace, Map<String,String> parameters) {
+        this.dslParser = dslParser;
         this.dslFile = dslFile;
         this.workspace = workspace;
         this.parameters = parameters;
     }
 
+    /**
+     * Gets a reference to the DSL parser that initiated this plugin context.
+     *
+     * @return  a StructurizrDslParser instance
+     */
+    public StructurizrDslParser getDslParser() {
+        return dslParser;
+    }
+
     /**
      * Gets a reference to the DSL file that initiated this plugin context.
      *
diff --git a/src/test/java/com/structurizr/dsl/PluginDslContextTests.java b/src/test/java/com/structurizr/dsl/PluginDslContextTests.java
index 1f49965..90900c7 100644
--- a/src/test/java/com/structurizr/dsl/PluginDslContextTests.java
+++ b/src/test/java/com/structurizr/dsl/PluginDslContextTests.java
@@ -12,7 +12,7 @@ class PluginDslContextTests extends AbstractTests {
     @Test
     void test_end_ThrowsAnException_WhenThePluginClassDoesNotExist() {
         try {
-            PluginDslContext context = new PluginDslContext("com.structurizr.TestPlugin", new File("src/test/dsl"));
+            PluginDslContext context = new PluginDslContext("com.structurizr.TestPlugin", new File("src/test/dsl"), null);
             context.end();
             fail();
         } catch (Exception e) {