SWI-4093 Update SDK Based on Recent Spec Changes

bandwidth.yml

@@ -1547,8 +1547,14 @@ components:
         from:
           type: string
           description: >-
-            One of your telephone numbers the message should come from in E164
-            format.
+            Either an alphanumeric sender ID or the sender's Bandwidth phone
+            number in E.164 format, which must be hosted within Bandwidth and
+            linked to the account that is generating the message. 
+
+            Alphanumeric Sender IDs can contain up to 11 characters, upper-case
+            letters A-Z, lower-case letters a-z, numbers 0-9, space, hyphen -,
+            plus +, underscore _ and ampersand &. Alphanumeric Sender IDs must
+            contain at least one letter.
           example: '+15551113333'
         text:
           type: string

models/message-request.ts

@@ -36,7 +36,7 @@ export interface MessageRequest {
      */
     'to': Set<string>;
     /**
-     * One of your telephone numbers the message should come from in E164 format.
+     * Either an alphanumeric sender ID or the sender\'s Bandwidth phone number in E.164 format, which must be hosted within Bandwidth and linked to the account that is generating the message.  Alphanumeric Sender IDs can contain up to 11 characters, upper-case letters A-Z, lower-case letters a-z, numbers 0-9, space, hyphen -, plus +, underscore _ and ampersand &. Alphanumeric Sender IDs must contain at least one letter.
      * @type {string}
      * @memberof MessageRequest
      */