diff --git a/src/RTEX/Abstracts/VariableType.php b/src/RTEX/Abstracts/VariableType.php
index 2e43463..2d84802 100644
--- a/src/RTEX/Abstracts/VariableType.php
+++ b/src/RTEX/Abstracts/VariableType.php
@@ -10,6 +10,8 @@
 
         const Float = 'float';
 
+        const Double = 'double';
+
         const Boolean = 'boolean';
 
         const Array = 'array';
@@ -22,6 +24,7 @@
             self::String,
             self::Integer,
             self::Float,
+            self::Double,
             self::Boolean,
             self::Array,
             self::Null,
diff --git a/src/RTEX/Classes/Utilities.php b/src/RTEX/Classes/Utilities.php
index 51f3829..bcbbd86 100644
--- a/src/RTEX/Classes/Utilities.php
+++ b/src/RTEX/Classes/Utilities.php
@@ -15,7 +15,7 @@
          * @return string
          * @throws TypeException
          */
-        public static function determineType($input): string
+        public static function getType($input): string
         {
             if ($input instanceof InstructionInterface)
                 return VariableType::Instruction;
@@ -25,6 +25,8 @@
                 return VariableType::Integer;
             if (is_float($input))
                 return VariableType::Float;
+            if (is_double($input))
+                return VariableType::Double;
             if (is_bool($input))
                 return VariableType::Boolean;
             if (is_array($input))
@@ -88,6 +90,8 @@
                 return 'int(' . $input . ')';
             if(is_float($input))
                 return 'float(' . $input . ')';
+            if(is_double($input))
+                return 'double(' . $input . ')';
             if(is_bool($input))
                 return $input ? 'True' : 'False';
             if(is_null($input))