diff --git a/src/models.py b/src/models.py
index 3a6cabf..405393e 100644
--- a/src/models.py
+++ b/src/models.py
@@ -23,22 +23,25 @@ class Capabilities(Enum):
 @dataclass
 class Fixture:
     """Definition of a fixture that generates light, its capabilities and positioning."""
-    
+
     id: str
     """Unique identifier for fixture."""
-    
+
+    name: str
+    """Human readable name."""
+
     capabilities: Capabilities
     """Which dynamic capabilities does the fixture have."""
-    
+
     position: SpaceVector
     """Position of the fixture in the space in meters."""
-    
+
     target: SpaceVector
     """Position of the light generated by the ficture in the space in meters."""
-    
+
     spread: SpaceVector
     """Spread of the light in the space at the target in meters."""
-    
+
     exposure: float
     """In range [0,1], how exposed is the light source of the fixture. 0: no exposure. 1: full exposure."""
 
@@ -48,9 +51,36 @@ class Space:
 
     id: str
     """Unique identifier for space."""
-    
+
+    name: str
+    """Human readable name."""
+
     fixtures: list[Fixture]
     """All fixtures present in the space."""
-    
+
     center: SpaceVector
     """A reference point in the space from which the audience perspective might be assumed."""
+
+
+@dataclass
+class Sequence:
+    """A sequence of light events described over fixtures."""
+
+    id: str
+    """A unique identifier for this sequence."""
+
+    name: str
+    """Human readable name."""
+
+    
+
+
+@dataclass
+class Event:
+    """A collection of sequences and spaces."""
+
+    spaces: list[Space]
+    """A collection of spaces."""
+
+    sequences: list[Sequence]
+    """A collection of sequences."""