diff --git a/core/modules/link/config/schema/link.schema.yml b/core/modules/link/config/schema/link.schema.yml
index e69de29..10a3c07 100644
--- a/core/modules/link/config/schema/link.schema.yml
+++ b/core/modules/link/config/schema/link.schema.yml
@@ -0,0 +1,32 @@
+# Schema for configuration files of the Number module.
+field.link.settings:
+  type: sequence
+  label: 'Link settings'
+  sequence:
+    - type: link
+      label: 'setting'
+
+field.link.instance_settings:
+  type: mapping
+  label: 'Link'
+  mapping:
+    url:
+      type: uri
+      label: 'URL'
+    title:
+      type: string
+      label: 'title'
+    attributes:
+      type: map
+      label: 'attributes'
+
+field.link.value:
+  type: sequence
+  label: 'Default value'
+  sequence:
+    - type: mapping
+      label: 'Default value'
+      mapping:
+        value:
+          type: link
+          label: 'Value'