Greetings. By recieving UI_SaveAs post message in my wopi host, I send Action_SaveAs post message, but nothing happens. Whats wrong with following code? if(clientmsg.MessageId === 'UI_SaveAs'){ const msg={ "MessageId":'Action_SaveAs', "SendTime":Date.now(),…

Make sure that your have added an eventListener to receive messages from the Wopi Client: window.addEventListener("message", receiveMessage, false); And than you should react on the first message ‘App_LoadingStatus’ and send a ‘Host_PostmessageReady’ message back to the client: if (msg.Mess…

Sending post message to CODE

Installation & Configuration

Topic		Replies	Views
PostMessage for Saving As Installation & Configuration	5	49	July 28, 2025
Iframe PostMessage --> No result User Support	1	840	March 25, 2022
Save As dialog does not appear Installation & Configuration	2	629	May 10, 2021
How to avoid post FileContents when editor is closed? Development	0	420	June 17, 2021
Insert img whith PostMessage API User Support	1	231	June 27, 2024

27 – 29 April 2026, Hamburg, Germany

Sending post message to CODE

Related topics