doc: WPS method input documentation added to agent-api.txt

diff --git a/doc/agent-api.txt b/doc/agent-api.txt
index b4b8a39..98499a3 100644 (file)
--- a/doc/agent-api.txt
+++ b/doc/agent-api.txt
@@ -66,10 +66,19 @@ Fields              string Name
                        The passphrase for a network. For example a WEP
                        key or a PSK passphrase.
 
+               string WPS
+
+                       This field requests the use of WPS to get associated.
+                       This is an alternate choice against Passphrase when
+                       requested service supports WPS. The reply can contain
+                       either empty pin, if user wants to use push-button
+                       method, or a pin code if user wants to use the pin
+                       method.
+
 Arguments      string Type
 
                        Contains the type of a field. For example "psk",
-                       "wep", "ssid" or plain "string".
+                       "wep", "ssid", "wpspin" or plain "string".
 
                string Requirement
 
@@ -109,3 +118,17 @@ Examples   Requesting a passphrase for WPA2 network
                                           }
                                }
                        ==> { "Name" : "My hidden network" }
+
+               Requesting a passphrase for a WPA2 network with WPS alternative:
+
+                       RequestInput("/service3",
+                               { "Passphrase" : { "Type"        : "psk",
+                                                  "Requirement" : "mandatory",
+                                                  "Alternates"  : [ "WPS" ]
+                                                },
+                                 "WPS"        : { "Type"        : "wpspin",
+                                                  "Requirement" : "alternate"
+                                                }
+                               }
+
+                       ==> { "WPS" : "123456" }