diff --git a/includes/activity/class-base-object.php b/includes/activity/class-base-object.php
index 15cf799..e8fca38 100644
--- a/includes/activity/class-base-object.php
+++ b/includes/activity/class-base-object.php
@@ -33,6 +33,13 @@ class Base_Object {
 	 */
 	protected $_skip_next;
 
+	/**
+	 * if this is set, the language maps will be set automatically with this language if not set yet todo nicer description
+	 *
+	 * @var string
+	 */
+	protected $_default_language_code_for_language_maps;
+
 	/**
 	 * The object's unique global identifier
 	 *
@@ -534,11 +541,51 @@ class Base_Object {
 			return $this;
 		}
 
+		if ( 'content' === $key || 'summary' === $key || 'name' === $key ) { // todo nicer?
+			$this->set_basic_language_map( $key, $value ); // todo skip setter if language map is already set
+		}
+
 		$this->$key = $value;
 
 		return $this;
 	}
 
+	/**
+	 * Setter for the languageMap default language
+	 *
+	 * @param string $languagecode languageocde for default
+	 *
+	 */
+	public function set_default_language_for_maps( $languagecode ) {
+		$this->_default_language_code_for_language_maps = $languagecode;
+		return $this;
+	}
+
+	/**
+	 * Generic languageMap setter.
+	 *
+	 * @param string $key   The key for the language map.
+	 * @param string $value The value to set.
+	 *
+	 */
+	public function set_basic_language_map( $key, $value ) {
+		// todo better name, implement usage for content, summary and name
+		$mapkey = $key . '_map';
+
+		if ( ! isset( $this->_default_language_code_for_language_maps ) ) {
+			return new WP_Error( '_default_language_code_for_language_maps must be set before calling set_languageMap', __( '_default_language_code_for_language_maps must be set before calling set_languageMap', 'activitypub' ), array( 'status' => 404 ) );
+		}
+		if ( ! $this->has( $mapkey ) ) {
+			return new WP_Error( 'invalid_key', __( 'Invalid key', 'activitypub' ), array( 'status' => 404 ) );
+		}
+
+		$this->$mapkey = array(
+			$this->_default_language_code_for_language_maps => $value,
+		);
+
+		return $this;
+	}
+
 	/**
 	 * Generic adder.
 	 *