added phonenumber identifier in Auth API

src/main/java/com/auth0/client/auth/AuthAPI.java

@@ -68,6 +68,7 @@ public class AuthAPI {
     private static final String PATH_PASSWORDLESS = "passwordless";
     private static final String PATH_START = "start";
     private static final String KEY_ORGANIZATION = "organization";
+    private static final String KEY_PHONE_NUMBER = "phone_number";
 
     private final Auth0HttpClient client;
     private final String clientId;
@@ -485,6 +486,41 @@ public Request<Void> resetPassword(String clientId, String email, String connect
         return request;
     }
 
+    /**
+     * Creates a sign up request with the given credentials, phone number and database connection.
+     * "Requires Username" option must be turned on in the Connection's configuration first.
+     * i.e.:
+     * <pre>
+     * {@code
+     * try {
+     *      Map<String, String> fields = new HashMap<String, String>();
+     *      fields.put("age", "25);
+     *      fields.put("city", "Buenos Aires");
+     *      authAPI.signUp("[email protected]", "myself", new char[]{'s','e','c','r','e','t'}, "db-connection", "1234567890")
+     *          .setCustomFields(fields)
+     *          .execute();
+     * } catch (Auth0Exception e) {
+     *      //Something happened
+     * }
+     * }
+     * </pre>
+     *
+     * @see <a href="https://auth0.com/docs/api/authentication#signup">Signup API docs</a>
+     * @param email         the desired user's email.
+     * @param username      the desired user's username.
+     * @param password      the desired user's password.
+     * @param connection    the database connection where the user is going to be created.
+     * @param phoneNumber   the desired users's phone number.
+     * @return a Request to configure and execute.
+     */
+    public SignUpRequest signUp(String email, String username, char[] password, String connection, String phoneNumber) {
+        Asserts.assertNotNull(phoneNumber, "phone number");
+
+        SignUpRequest request = this.signUp(email, username, password, connection);
+        request.addParameter(KEY_PHONE_NUMBER, phoneNumber);
+        return request;
+    }
+
     /**
      * Creates a sign up request with the given credentials and database connection.
      * "Requires Username" option must be turned on in the Connection's configuration first.

src/main/java/com/auth0/json/auth/CreatedUser.java

@@ -22,6 +22,8 @@ public class CreatedUser {
     private String username;
     @JsonProperty("email_verified")
     private Boolean emailVerified;
+    @JsonProperty("phone_number")
+    private String phoneNumber;
 
     @JsonProperty("_id")
     @JsonAlias({"_id", "id", "user_id"})
@@ -44,4 +46,8 @@ public Boolean isEmailVerified() {
         return emailVerified;
     }
 
+    @JsonProperty("phone_number")
+    public String getPhoneNumber() {
+        return phoneNumber;
+    }
 }

src/test/java/com/auth0/client/auth/AuthAPITest.java

@@ -400,6 +400,13 @@ public void shouldThrowOnUsernameSignUpWithNullConnection() {
             "'connection' cannot be null!");
     }
 
+    @Test
+    public void shouldThrowOnUsernameAndPhoneNumberSignUpWithNullPhoneNumber() {
+        verifyThrows(IllegalArgumentException.class,
+            () -> api.signUp("[email protected]", "me", new char[]{'p','4','5','5','w','0','r','d'}, "my-connection", null),
+            "'phone number' cannot be null!");
+    }
+
     @Test
     public void shouldHaveNotStrongPasswordWithDetailedDescription() throws Exception {
         ObjectMapper mapper = new ObjectMapper();
@@ -424,6 +431,34 @@ public void shouldHaveNotStrongPasswordWithShortDetailedDescription() throws Exc
         assertThat(ex.getDescription(), is(expectedDescription));
     }
 
+    @Test
+    public void shouldCreateSignUpRequestWithUsernameAndPhoneNumber() throws Exception {
+        SignUpRequest request = api.signUp("[email protected]", "me", new char[]{'p','4','5','5','w','0','r','d'}, "db-connection", "1234567890");
+        assertThat(request, is(notNullValue()));
+
+        server.jsonResponse(AUTH_SIGN_UP_USERNAME, 200);
+        CreatedUser response = request.execute().getBody();
+        RecordedRequest recordedRequest = server.takeRequest();
+
+        assertThat(recordedRequest, hasMethodAndPath(HttpMethod.POST, "/dbconnections/signup"));
+        assertThat(recordedRequest, hasHeader("Content-Type", "application/json"));
+
+        Map<String, Object> body = bodyFromRequest(recordedRequest);
+        assertThat(body, hasEntry("email", "[email protected]"));
+        assertThat(body, hasEntry("username", "me"));
+        assertThat(body, hasEntry("password", "p455w0rd"));
+        assertThat(body, hasEntry("connection", "db-connection"));
+        assertThat(body, hasEntry("client_id", CLIENT_ID));
+        assertThat(body, hasEntry("phone_number", "1234567890"));
+
+        assertThat(response, is(notNullValue()));
+        assertThat(response.getUserId(), is("58457fe6b27"));
+        assertThat(response.getEmail(), is("[email protected]"));
+        assertThat(response.isEmailVerified(), is(false));
+        assertThat(response.getUsername(), is("me"));
+        assertThat(response.getPhoneNumber(), is("1234567890"));
+    }
+
     @Test
     public void shouldCreateSignUpRequestWithUsername() throws Exception {
         @SuppressWarnings("deprecation")

src/test/resources/auth/sign_up_username.json

@@ -2,5 +2,6 @@
   "_id": "58457fe6b27",
   "email_verified": false,
   "email": "[email protected]",
-  "username": "me"
-}
+  "username": "me",
+  "phone_number": "1234567890"
+}