(poe) choices option

Author: kzrnm

src/schemas/json/partial-poe.json

@@ -67,6 +67,15 @@
                   "description": "Indicates if the argument is positional.",
                   "type": "boolean"
                 },
+                "choices": {
+                  "description": "Constrain the accepted values for an argument to a fixed set.",
+                  "oneOf": [
+                    { "items": { "type": "string" } },
+                    { "items": { "type": "integer" } },
+                    { "items": { "type": "number" } }
+                  ],
+                  "type": "array"
+                },
                 "required": {
                   "description": "Indicates if the argument is required.",
                   "type": "boolean"