diff --git a/languages/javascript/language.config.json b/languages/javascript/language.config.json
index f9769093..d8d7a62c 100644
--- a/languages/javascript/language.config.json
+++ b/languages/javascript/language.config.json
@@ -5,6 +5,7 @@
         "/index.mjs",
         "/defaults.mjs"
     ],
+    "enableListenAndOnceDeclarations": false,
     "enableStringPropertyKeys": true,
     "createModuleDirectories": true,
     "copySchemasIntoModules": false,
diff --git a/languages/markdown/language.config.json b/languages/markdown/language.config.json
index 28eebada..cd8eaf48 100644
--- a/languages/markdown/language.config.json
+++ b/languages/markdown/language.config.json
@@ -3,6 +3,7 @@
     "langcode": "markdown",
     "createModuleDirectories": true,
     "copySchemasIntoModules": false,
+    "enableListenAndOnceDeclarations": false,
     "templatesPerModule": [ "index.md" ],
     "templatesPerSchema": [ "schemas/index.md" ]
 }
\ No newline at end of file
diff --git a/package.json b/package.json
index 589b1cba..63f245e5 100644
--- a/package.json
+++ b/package.json
@@ -14,9 +14,9 @@
     "build": "npm run validate && npm run build:docs && npm run build:sdk",
     "validate": "node ./src/cli.mjs validate --input ./test_sdk/openrpc --platformApi ./build/sdk-open-rpc.json --appApi ./build/sdk-app-open-rpc.json --schemas test_sdk/schemas --transformations && npm run build:openrpc && node ./src/cli.mjs validate --input ./build/sdk-open-rpc.json",
     "build:openrpc": "node ./src/cli.mjs openrpc --input ./test_sdk --template ./src/openrpc-template.json --platformApi ./build/sdk-open-rpc.json --appApi ./build/sdk-app-open-rpc.json  --schemas test_sdk/schemas",
-    "build:sdk": "node ./src/cli.mjs sdk --input ./build/sdk-open-rpc.json --template ./test_sdk/sdk --output ./build/sdk/javascript/src --platformApi ./build/sdk-open-rpc.json --appApi ./build/sdk-app-open-rpc.json --schemas test_sdk/schemas",
+    "build:sdk": "node ./src/cli.mjs sdk --input ./build/sdk-open-rpc.json --template ./test_sdk/sdk --config-file-override ./test_sdk/sdk/configOverride/languages/javascript --output ./build/sdk/javascript/src --platformApi ./build/sdk-open-rpc.json --appApi ./build/sdk-app-open-rpc.json --schemas test_sdk/schemas",
     "build:d": "node ./src/cli.mjs declarations --input ./build/sdk-open-rpc.json --output ./dist/lib/sdk.d.ts --platformApi ./build/sdk-open-rpc.json --appApi ./build/sdk-app-open-rpc.json --schemas test_sdk/schemas",
-    "build:docs": "node ./src/cli.mjs docs --input ./build/sdk-open-rpc.json --output ./build/docs/markdown  --platformApi ./build/sdk-open-rpc.json --appApi ./build/sdk-app-open-rpc.json --schemas test_sdk/schemas --as-path",
+    "build:docs": "node ./src/cli.mjs docs --input ./build/sdk-open-rpc.json --config-file-override ./test_sdk/sdk/configOverride/languages/markdown --output ./build/docs/markdown  --platformApi ./build/sdk-open-rpc.json --appApi ./build/sdk-app-open-rpc.json --schemas test_sdk/schemas --as-path",
     "build:wiki": "node ./src/cli.mjs docs --input ./build/sdk-open-rpc.json --output ./build/docs/wiki --schemas test_sdk/schemas",
     "dist": "npm run validate && npm run build:sdk && npm run build:docs && npm run test",
     "prepare": "husky install"
diff --git a/src/cli.mjs b/src/cli.mjs
index 36fcbefc..44318bc4 100755
--- a/src/cli.mjs
+++ b/src/cli.mjs
@@ -20,6 +20,7 @@ const knownOpts = {
   'template': [path],
   'static-module': [String, Array],
   'language': [path],
+  'config-file-override': [path],
   'examples': [path, Array],
   'as-path': [Boolean],
   'bidirectional': [Boolean],
@@ -48,7 +49,13 @@ const defaults = {
 
 // Parse the arguments and merge with the defaults
 // Ignore args: 0 (node), 1 (cli.mjs), and 2 (the task name, which has no --option in front of it)
-const parsedArgs = Object.assign({}, defaults, nopt(knownOpts, shortHands, process.argv, 3))
+const noptResult = nopt(knownOpts, shortHands, process.argv, 3)
+
+if (noptResult['config-file-override']) {
+  defaults.config = noptResult['config-file-override']
+}
+
+const parsedArgs = Object.assign({}, defaults, noptResult)
 const task = process.argv[2]
 
 try {
diff --git a/src/docs/index.mjs b/src/docs/index.mjs
index 43f1a2dc..4f1bafe8 100755
--- a/src/docs/index.mjs
+++ b/src/docs/index.mjs
@@ -21,7 +21,7 @@
 import path from 'path'
 import macrofy from '../macrofier/index.mjs'
 import { readJson } from '../shared/filesystem.mjs'
-
+import { readConfigFile } from '../shared/configLoader.mjs';
 /************************************************************************************************/
 /******************************************** MAIN **********************************************/
 /************************************************************************************************/
@@ -33,6 +33,7 @@ const run = async ({
   output: output,
   examples: examples,
   language: language,
+  config: config,
   'as-path': asPath
 }) => {
   let libraryName = 'your-library' // TODO find a better default if package.json isn't available...
@@ -48,21 +49,23 @@ const run = async ({
      // fail silently
      throw error
   }
-
-  const config = await readJson(path.join(language, 'language.config.json'))
-
+  // Load in config
+  const conf = await readConfigFile(config, language);
+  
   return macrofy(platformApi, appApi, template, output, {
     headline: "documentation",
     outputDirectory:    'content',
     sharedTemplates:    path.join(language, 'templates'),
     createModuleDirectories: asPath,
-    copySchemasIntoModules: config.copySchemasIntoModules,
+    copySchemasIntoModules: conf.copySchemasIntoModules,
     examples: examples,
-    templatesPerModule: config.templatesPerModule,
-    templatesPerSchema: config.templatesPerSchema,
-    operators: config.operators,
+    templatesPerModule: conf.templatesPerModule,
+    templatesPerSchema: conf.templatesPerSchema,
+    operators: conf.operators,
     libraryName: libraryName,
-    hidePrivate: false
+    hidePrivate: false,
+    enableListenAndOnceDeclarations: conf.enableListenAndOnceDeclarations || false
+
   })
 }
 
diff --git a/src/macrofier/engine.mjs b/src/macrofier/engine.mjs
index 2dd0c0b8..90a22e5a 100644
--- a/src/macrofier/engine.mjs
+++ b/src/macrofier/engine.mjs
@@ -49,6 +49,10 @@ let config = {
   extractSubSchemas: false,
   unwrapResultObjects: false,
   excludeDeclarations: false,
+  // TODO: This flag is for legacy support. The old behavior was to generate 
+  // listen and once for all components the have events, but after switching to bidirectional
+  // that is not possible because the event signature is no longer the same for all events - one argument object with all event payload properties
+  enableListenAndOnceDeclarations: false,
 }
 
 const state = {
@@ -635,7 +639,8 @@ const generateMacros = (platformApi, appApi, templates, languages, options = {})
       macros.methods.private = methodSection('private-methods', privateMethodsArray)
 
       const publicEventsArray = allMethodsArray.filter(m => m.body[dir] && m.event && (!options.hideExcluded || !m.excluded) && !m.private)
-      const privateEventsArray = allMethodsArray.filter(m => m.body[dir] && m.event && (!options.hideExcluded || !m.excluded && m.private))
+      //const privateEventsArray = allMethodsArray.filter(m => m.body[dir] && m.event && (!options.hideExcluded || !m.excluded && m.private))
+      const privateEventsArray = []
       macros.events.methods = methodSection('events', publicEventsArray)
       macros.events.private = methodSection('private-events', privateEventsArray)
 
@@ -1347,7 +1352,7 @@ function generateExamples(json = {}, mainTemplates = {}, languages = {}) {
   return examples
 }
 
-function generateMethodResult(type, templates) {
+function generateMethodResult(type, templates, enableListenAndOnceDeclarations = false) {
   const result = {
     name: type,
     body: {},
@@ -1358,6 +1363,10 @@ function generateMethodResult(type, templates) {
      const template = getTemplate(('/' + dir + '/' + type), templates)
      if (template) {
        if (dir.includes('declarations')) {
+         //skip listen and once if not enabled"
+         if (!enableListenAndOnceDeclarations && (type === 'listen' || type === 'once')) {
+           return;
+         }
          result.declaration[dir] = template
        }
        else if (dir.includes('methods')) {
@@ -1408,8 +1417,17 @@ function generateMethods(platformApi = {}, appApi = null, examples = {}, templat
 
   // TODO: might be useful to pass in local macro for an array with all event names
   if (platformApi.methods && platformApi.methods.find(isPublicEventMethod)) {
-    ['listen', 'once', 'clear'].forEach(type => {
-      results.push(generateMethodResult(type, templates))
+    
+    const allEventNames = ['listen', 'once', 'clear'];
+    
+    const enableListenAndOnceDeclarations = config.enableListenAndOnceDeclarations || false;
+    if(!enableListenAndOnceDeclarations && isGeneratingDocs(languages)){
+      //remove listen and once for docs generation
+      allEventNames.splice(0,2);
+    }
+    
+    allEventNames.forEach(type => {
+      results.push(generateMethodResult(type, templates, enableListenAndOnceDeclarations))
     })
   }
 
@@ -1655,7 +1673,7 @@ function insertMethodMacros(template, methodObj, platformApi, appApi, templates,
   }
 
   if (isGeneratingDocs(languages)) {
-    eventNonContextualParams = isEventMethod(methodObj) && event.result ? Types.getMethodSignatureResult(event, currentModuleApiForEvent, { callback: true, namespace: !config.copySchemasIntoModules }) : ''
+    eventNonContextualParams = isEventMethod(methodObj) && event.result ? Types.getMethodSignatureResult(event, currentModuleApiForEvent, { callback: true, namespace: true}) : ''
     // If there's a notifier for this method, and it has examples, use its params for the eventParams section
     if (eventForSubscriber && eventForSubscriber.examples && eventForSubscriber.examples.length) {
       eventParams = (eventForSubscriber.params && eventForSubscriber.params.length) ?
diff --git a/src/macrofier/index.mjs b/src/macrofier/index.mjs
index 19a9e032..05e6fbf6 100644
--- a/src/macrofier/index.mjs
+++ b/src/macrofier/index.mjs
@@ -75,6 +75,7 @@ const macrofy = async (
         treeshakePattern = null,
         treeshakeEntry = null,
         treeshakeTypes = [],
+        enableListenAndOnceDeclarations = false,
         moduleWhitelist = []
     } = options
 
@@ -98,6 +99,7 @@ const macrofy = async (
             templateExtensionMap,
             excludeDeclarations,
             extractProviderSchema,
+            enableListenAndOnceDeclarations,
             operators
         })
 
diff --git a/src/sdk/index.mjs b/src/sdk/index.mjs
index f1df4195..47a7cead 100755
--- a/src/sdk/index.mjs
+++ b/src/sdk/index.mjs
@@ -21,7 +21,7 @@
 import path from 'path'
 import { readJson } from '../shared/filesystem.mjs'
 import macrofy from '../macrofier/index.mjs'
-import { loadConfig, getConfig } from '../shared/configLoader.mjs';
+import { loadConfig } from '../shared/configLoader.mjs';
 
 /************************************************************************************************/
 /******************************************** MAIN **********************************************/
@@ -33,6 +33,7 @@ const run = async ({
   template: template,
   output: output,
   language: language,
+  config: config,
   'static-module': staticModuleNames,
   argv: {
     remain: moduleWhitelist
@@ -54,40 +55,40 @@ const run = async ({
   }
   
   // Load in config
-  await loadConfig(language)
-  const config = getConfig()
+  const conf = await loadConfig(config, language);
 
   return macrofy(platformApi, appApi, template, output, {
     headline: 'SDK code',
     outputDirectory:    'sdk',
     sharedTemplates:    path.join(language, 'templates'),
     staticContent:      path.join(language, 'src', 'shared'),
-    templatesPerModule: config.templatesPerModule,
-    templatesPerSchema: config.templatesPerSchema,
-    persistPermission: config.persistPermission,
-    createPolymorphicMethods: config.createPolymorphicMethods || false,
-    enableUnionTypes: config.enableUnionTypes || false,
-    operators: config.operators,
-    primitives: config.primitives,
-    createModuleDirectories: config.createModuleDirectories,
-    copySchemasIntoModules: config.copySchemasIntoModules,
-    extractSubSchemas: config.extractSubSchemas,
-    convertTuplesToArraysOrObjects: config.convertTuplesToArraysOrObjects,
-    unwrapResultObjects: config.unwrapResultObjects,
-    allocatedPrimitiveProxies: config.allocatedPrimitiveProxies,
-    additionalSchemaTemplates: config.additionalSchemaTemplates,
-    additionalMethodTemplates: config.additionalMethodTemplates,
-    templateExtensionMap: config.templateExtensionMap,
-    excludeDeclarations: config.excludeDeclarations,
-    extractProviderSchema: config.extractProviderSchema,
+    templatesPerModule: conf.templatesPerModule,
+    templatesPerSchema: conf.templatesPerSchema,
+    persistPermission: conf.persistPermission,
+    createPolymorphicMethods: conf.createPolymorphicMethods || false,
+    enableUnionTypes: conf.enableUnionTypes || false,
+    operators: conf.operators,
+    primitives: conf.primitives,
+    createModuleDirectories: conf.createModuleDirectories,
+    copySchemasIntoModules: conf.copySchemasIntoModules,
+    extractSubSchemas: conf.extractSubSchemas,
+    convertTuplesToArraysOrObjects: conf.convertTuplesToArraysOrObjects,
+    unwrapResultObjects: conf.unwrapResultObjects,
+    allocatedPrimitiveProxies: conf.allocatedPrimitiveProxies,
+    additionalSchemaTemplates: conf.additionalSchemaTemplates,
+    additionalMethodTemplates: conf.additionalMethodTemplates,
+    templateExtensionMap: conf.templateExtensionMap,
+    excludeDeclarations: conf.excludeDeclarations,
+    extractProviderSchema: conf.extractProviderSchema,
     staticModuleNames: staticModuleNames,
     hideExcluded: true,
     moduleWhitelist: moduleWhitelist,
-    aggregateFiles: config.aggregateFiles,
+    aggregateFiles: conf.aggregateFiles,
     rename: mainFilename ? { '/index.mjs': mainFilename, '/index.d.ts': declarationsFilename } : {},
-    treeshakePattern: config.treeshakePattern ? new RegExp(config.treeshakePattern, "g") : undefined,
-    treeshakeTypes: config.treeshakeTypes,
-    treeshakeEntry: mainFilename ? '/' + mainFilename : '/index.mjs'
+    treeshakePattern: conf.treeshakePattern ? new RegExp(conf.treeshakePattern, "g") : undefined,
+    treeshakeTypes: conf.treeshakeTypes,
+    treeshakeEntry: mainFilename ? '/' + mainFilename : '/index.mjs',
+    enableListenAndOnceDeclarations: conf.enableListenAndOnceDeclarations || false
   })
 }
 
diff --git a/src/shared/configLoader.mjs b/src/shared/configLoader.mjs
index ca9f8fb5..6629b931 100644
--- a/src/shared/configLoader.mjs
+++ b/src/shared/configLoader.mjs
@@ -1,11 +1,26 @@
 import path from 'path'
 import { readJson } from './filesystem.mjs'
 
+import { logInfo, logSuccess } from './io.mjs'
+
 let config = null
 
-export const loadConfig = async (language) => {
+export const readConfigFile = async (customConfig, language) => {
+    let result = await readJson(path.join(language, 'language.config.json'))
+
+    try {
+      const overrideConfig = await readJson(path.join(customConfig, 'language.config.json'))
+      result = { ...result, ...overrideConfig }
+      logSuccess(`Override default language configuration from ${customConfig}`);
+    } catch (error) {
+      logInfo(`Custom language configuration not found at ${customConfig}. Falling back to default configuration.`);
+    }
+  return result
+}
+
+export const loadConfig = async (customConfig, language) => {
   if (!config) {
-    config = await readJson(path.join(language, 'language.config.json'))
+    config = await readConfigFile(customConfig, language)
   }
   return config
 }