Mikael Henriksson
--- a/b_asic/resources.py
+++ b/b_asic/resources.py
+        """
+        Get a :class:`~b_asic.process.Process` from this collection from its name.
+
+        Raises :class:`KeyError` if no processes with ``name`` is found in this
+        colleciton.
+
+        Parameters
+        ----------
+        name : str
+            The name of the process to retrieve.
+        """
+        name_to_proc = {p.name: p for p in self.collection}
+        if name not in name_to_proc:
+            raise KeyError(f'{name} not in {self}')
+        else:
+            return name_to_proc[name]