1 files changed, 12 insertions, 1 deletions

diff --git a/docs/configuration.md b/docs/configuration.md
index a43d7f1..5785e56 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -66,6 +66,17 @@ colors:
 # Optional message
 message:
   # url: "https://<my-api-endpoint>" # Can fetch information from an endpoint to override value below.
+  # mapping: # allows to map fields from the remote format to the one expected by Homer
+  #   title: 'id' # use value from field 'id' as title
+  #   content: 'value' # value from field 'value' as content
+  # refreshInterval: 10000 # Optional: time interval to refresh message
+  #
+  # Real example using chucknorris.io for showing Chuck Norris facts as messages:
+  # url: https://api.chucknorris.io/jokes/random
+  # mapping:
+  #   title: 'id'
+  #   content: 'value'
+  # refreshInterval: 10000
   style: "is-warning"
   title: "Optional message!"
   icon: "fa fa-exclamation-triangle"
@@ -118,7 +129,7 @@ services:
         # background: red # optional color for card to set color directly without custom stylesheet
 ```
 
-If you choose to fetch message information from an endpoint, the output format should be:
+If you choose to fetch message information from an endpoint, the output format should be as follows (or you can [custom map fields as shown in tips-and-tricks](./tips-and-tricks.md#mapping-fields)):
 
 ```json
 {