ONELAB-JSON-interface.md

@@ -64,4 +64,4 @@ The `/`-separated path defining the unique `"name"` of each parameter is used in
 * `"attributes"` (object): optional string parameter attributes
   * `"MultipleSelection"` (string): allow multiple selection in choices. The string indicates the initial selection pattern, e.g. `"1001111"`
   * `"Macro"` (string): if the string is `"Action"`, trigger a ONELAB "check" event with the ONELAB parameter `"ONELAB/Action"` set to the value of the parameter; if the string is `"GmshMergeFile"`, trigger Gmsh to merge the file with name given by the value of the parameter;  if the string is `"GmshParseString"`, trigger Gmsh to parse the string given by the value of the parameter
-  * `"Aspect"` (string): if the string is `"Button"`, display the widget as a "3D" button instead of the standard text
+  * `"Aspect"` (string): if the string is `"Button"` (resp. `"ReturnButton"`, display the widget as a "3D" button (resp. return button) instead of the standard text; `"Left"`, `"Middle"` or `"Right"` can be prefixed to `"Button"` and `"ReturnButton"` to create smaller buttons in the ONELAB context window, vertically padded and positioned horizontally on the left, middle or right.
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