Questions tagged [lightning-message-service]

Filter by
Sorted by
Tagged with
1
vote
1answer
22 views

sforce.one not available in VF page used as CTI adapter

We are using a VF page as a CTI adapter. It does not seem to include sforce.one. I notice on other VF pages this is brought in as part of api.js, but I cannot put my finger on what it is about that VF ...
0
votes
0answers
8 views

Why define lightningMessageFields in Lightning Message Service? [duplicate]

I am wondering something. In the XML file of a lightning message channel I can specify lightningMessageFields or I can omit this. Either way messages on the channel function correctly whatever you put ...
1
vote
1answer
35 views

What is the real use of “lightningMessageFields” while using LightningMessageChannel

I was thinking - while publishing or subscribing to a LightningMessageChannel, the payload has to be in some way match exactly to the names or fields defined in the lightningMessageFields XML ...
0
votes
0answers
37 views

LMS throwing :sorry to interrupt error[invalid message context]

I am trying to publish a message form lWC , but getting error as below: lightning/messageService: invalid message context] i have created the message channel file added it in the package.xml and ...
0
votes
0answers
23 views

Sending message from AURA to LWC

I have a requirement to send messages from Aura component to an LWC component. The component exist on the The Aura Component contain an LWC inside it,, i need if the tab of Aura is open the i need to ...
0
votes
0answers
61 views

LWC - Community Cloud - Different Pages - Communication

I have set up a Community and now I am faced with the problem that two LWC's are on two different Community sites and these have to communicate with each other. Unfortunately this is not possible with ...
0
votes
0answers
130 views

LWC LMS: Invalid message context error

I ask this question because I did not find any similar. My error is "invalid message context". I will explain it graphically. From tab 1, I create a record, with a navigation mixin, I am ...
1
vote
0answers
28 views

Including Lightning Message Service in Managed Package?

I am attempting to make use of the Lightning Message Service to pass events between components when various actions occur (e.g. Sending an email, or authenticating the app. The Salesforce docs suggest ...
1
vote
0answers
223 views

Lightning messaging service communities support for guest users

We are working towards building a community where we have the need to communicate with different parts of the page built with LWC and Aura. Since salesforce launched lightning messaging service we ...
0
votes
0answers
24 views

How do i get the new lightning message service to work with local development server

I have a very simple lightbox component for LWC and am using lighting message service to open and close it as necessary. When I deploy the components to my sandbox it works just fine, BUT when I open ...
1
vote
0answers
48 views

Trying to publish Lightning Message Channel from Visualforce page and getting error `Sfdc is not defined`

I am trying to publish a message from a visualforce page into a lightning component and my visualforce page is not able to publish. My Visualforce code : <apex:page applyBodyTag="false" ...
0
votes
0answers
59 views

Receiving error “Cannot convert a Symbol value to a string” at @wire (MessageContext)

I am getting an error while publishing message from one web Component: [error = TypeError: Cannot convert a Symbol value to a string at], it occurs while receiving MessageContext using @wire(...
2
votes
1answer
96 views

ways to create LightningMessageChannel in Salesforce

I know we can create LightningMessageChannel using package.xml but is there any quick way to create it? Any UI alternative would be far better than package.xml route.
0
votes
1answer
40 views

Visualforce to Visualforce Lightning Component Communication - postMessage not received

I have two visualforce page lightning components on a lightning page. I am unable to get them to communicate, there are no logs to the console and no errors to report. The posted messages are not ...
2
votes
0answers
176 views

Lightning Message service error in visualforce page - Cannot read property 'subscribe' of undefined

Was anybody able to work with sforce.one.subscribe for subscribing to lightning message service in visualforce? I keep getting below error: Even after including sforce and ajax js files, sforce.one ...
0
votes
1answer
116 views

Lightning message service(Build a Bear-Tracking App with Lightning Web Components)

When I am making a bear tracking app this problem arises in the last module. Error - afterRender threw an error in 'c:bearMap' [lightning/messageService: The scope property is required. When you call ...
0
votes
1answer
90 views

In Aura Components, is it possible to subscribe and unsubscribe to message channels?

Currently I'm playing around with the Lightning Message Service. I've noticed tha online tutorials for using LMS with both VisualForce and Lightning Web Components demonstrate publish, subscribe, and ...
3
votes
1answer
94 views

How to use LMS & EMP-API in the same LWC component

As both empApi and LMS require the import of the subscribe and unsubscribe methods. How can you use both within the same component? import { subscribe, unsubscribe} from 'lightning/empApi'; import { ...
1
vote
1answer
51 views

Listening to LMS messages from a background utility bar item

I want to do some background processing so I wrote a background utility bar item, and tried listening to LMS messages, but it didn't work. Then I found this: It is a front-end service that works in ...
0
votes
1answer
136 views

Lightning Message Services (beta) - no response

I tried playing around with Lightning Message Services as per the release note. Created a LWC to publish message on the message channel, and a VF page to listen to it. Also the other way around. I am ...
3
votes
1answer
613 views

Send message to aura components from lwc

I have a requirement to send messages from LWC component to an Aura component. The component exist on the page independently, i.e LWC is not embedded in an aura component. The components are in a ...