diff --git a/core/modules/breakpoint/config/schema/breakpoint.schema.yml b/core/modules/breakpoint/config/schema/breakpoint.schema.yml
new file mode 100644
index 0000000..9f552e7
--- /dev/null
+++ b/core/modules/breakpoint/config/schema/breakpoint.schema.yml
@@ -0,0 +1,12 @@
+# Schema for the configuration files of the breakpoint module.
+
+breakpoint.settings:
+  type: mapping
+  label: 'Breakpoint settings'
+  mapping:
+    multipliers:
+      type: sequence
+      label: 'Assigning resolution multipliers to breakpoints'
+      sequence:
+        - type: string
+          label: 'Multiplier'