SMS Challenge Invite

Goal

Check if messaging is available, then open the message composer with a pre-filled invite.

Actions used

• MessageComposerCanSend

• MessageComposerShow

• MessageComposerGetError (optional)

Variables

• canSendText (Bool)

Flow

1. State: CanSendMessage

   • Action: MessageComposerCanSend

   • Events:

     • canSendEvent → ShowMessageComposer

     • cannotSendEvent → show “Messaging not available”

2. State: ShowMessageComposer

   • Action: MessageComposerShow

   • Inputs:

     • recipients (optional)

     • body (invite text)

   • Events:

     • closedWithSentEvent → Sent

     • closedWithCancelledEvent → Cancelled

     • closedWithUnknownEvent → Unknown (optional handling)

     • closedWithFailedEvent → MessageComposerGetError (optional) then show error

Notes

• MessageComposerResultCode.Unknown can occur on platforms that don’t provide a definitive result.