Questions tagged [canvas]

Force.com Canvas is a set of tools and JavaScript APIs that you can use to expose an application as a canvas app.

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Max Canvas Event Size

Is there a maximum payload site for the payload on Canvas Events? I have tried looking through the Canvas documentation on limits and it only mentions Number of canvas apps per user that can be ...
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Canvas app in 2gp managed package

I have connected app on my scratch org which is rendering canvas app in aura component. On my connected (canvas app) im using CanvasLifecycleHandler class implementation on connected app settings. I'm ...
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Create our own auto-layout flow builder (LWC)

Is there a framework or specific LWC tags to build a flow-builder-like tool, where we could draw something like this ? For the canvas we have the exact same needs with a start node, branches ...
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How do I Render Web Apps in VF pages using CanvasApp [duplicate]

I'm looking at using CanvasApp instead of iFrame to render a web app inside of a VF Page, the current way we're going around this is by using the (just an example, not actual code) <iFrame src=...
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INVALID_SESSION_ID: force:canvasApp does not load connected app

I am trying to create a 2GP that includes an Aura component which loads a canvas app using force:canvasApp. I have successfully created this aura component in my packaging organisation, by creating a ...
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2 votes
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Winter 22 Broke Event Listening Functionality

I have an aura component that includes a force:canvasApp with a signed post request authentication. The app uses /canvas/sdk/js/51.0/canvas-all.js to send a message to the aura component window.Sfdc....
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Events between Aura components and Canvas Apps [closed]

We have a complex lightning page. It contains an Aura component, and a separate Canvas app within a VF page. We need: the Aura component to send a message to the Canvas app the canvas app to send a ...
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LWC - Signature Component - Stylus drawing not working in canvas from third-party library, works fine in library demo

The current problem I am facing: I can draw with the mouse, but while using the pencil it does not draw anything BUT! The strange thing is that when I run an inspection and use another device in ...
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How to Capture Response from 3rd Party Application back to Salesforce in Canvas App?

Requirement: There's 3rd party application in our Organization which is used to upload the document. Once we upload the document in that application we want to fetch Document Id as Response back to ...
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2 votes
1 answer
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Dynamically Set a developerName in Canvas App / Configurable developerName for <force:canvasApp>

We are planning to use a Canvas App in one of the AppExchange app. Canvas App will have different subdomains URLs and a single sign-on. As the CanvasApp URL can't be dynamically set with different ...
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Component "variables" not set, not passed to forceCanvas

I'm trying to host a canvas app on a Lightning page. The canvas app itself needs the current record and type in order to load things on my own server properly. I have the canvas app up and working (...
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Salesforce Canvas App Issue with Chrome Latest Versions and Recent Cookie SameSite Policy

We created a Canvas App implementation in Salesforce that is able to render an external .NET / C# web app within the CRM by means of an aura component. It works perfectly fine in any browser, except ...
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Is Signed Request authentication for Canvas app is enough from AppExchange Security Review perspective?

I am planning to use a Canvas app for one of the AppExchange app. It will load the 3rd party page within Salesforce. I am planning to use the Signed Request approach where the external website will ...
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How to implement a Facebook login with LWC?

I am building a solution that lets users access their data on Facebook (like Pages/Ads/Feeds etc). For this, we need to let the users login to their Facebook account while they are in Salesforce (from ...
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2 votes
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How do you do Canvas Authentication client-side for a Javascript application?

I am trying to build out a PoC of what will eventually be a nodeJS+React application that will be embedded in Salesforce via Canvas. I'd like to get the PoC up and running with just React. What would ...
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Canvas App - Connect to Another Orgs VFP using Web server flow + API User

I am trying to wrap my head around Salesforce Canvas apps and its authentication. My test use case is to be able to access / interact with a visual-force page located in another Salesforce org. ...
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Not able to open link with default browser in Safari / iOS

i have a canvas application renders inside iframe salesforce lightening. in that i render an html page where i present few external links to user. when user clicks on any external link, i want it to ...
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Visualforce Page: Save both HTML5 Canvas and other text

I'm experimenting with this post. I'm trying to expand the area that is saved (i.e. saving both the Canvas AND any body text placed on the Visualforce page). I've been trying to add a line in the ...
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Can we put canvas app inside a public site? How this can be achieved?

I am trying to expose canvas app through a public site but I can see that it doesn't work. I can see that there is some request to /canvas/proxy.jsp which doesn't work inside a public site. Page Not ...
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Update outer page from canvas app

I have several canvas apps implemented through lightning components on a lightning record page. The lightning page also contains a highlights panel and other panels that are native to lightning. ...
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Canvas App in New Window from Lightning Component

I have a Canvas App in a Lightning Component that I'd like to display in a Modal/Overlay when a User clicks on a button (within a different Lightning Component). The Canvas App component uses the ...
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Getting JSON_Parser_error when using Sfdc.canvas.client.ajax to Create multiple records using REST API

I am trying to insert 2 records at a time using canvas client in a connected app, using REST API, code and response below: Sfdc.canvas.client.ajax('/services/data/v47.0/composite/sobjects',{ "...
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Enable USB Feature for Canvas: external website embedded in a VisuaForce page

I am using SF Canvas to embed an external Web Application in a VisualForce page in my org. The content is being successfully loaded in an IFrame in the browser. The page needs access to the USB ...
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Edit Signed request

Is there anyway I can edit what is put into the signed request that SalesForce returns in a canvas app? I would like to change the context.user fields. It gives us Id's rather than names and I would ...
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1 vote
1 answer
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how to make test class for controller with parameter canvas.toDataURL()

I made extension class and VF page for getting signature image. I confirmed it works well through many test . And then, I need to make test class to deploy that extension class into production org. ...
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1 vote
1 answer
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Display Salesforce page/component from Org1 in another salesforce Org2

I have a requirement to show VF/lighting page of salesforce Org1 in another Salesforce Org2.  However possible way just want to show the page/component in another salesforce org. Please let us know if ...
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1 vote
1 answer
127 views

Consumer key and secret for connected canvas app

In a managed package we have a Connected canvas app, which will be connected to the central server from all of the Orgs which have installed the package. After the user installs the app exchange app, ...
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134 views

Connected App / Canvas in Managed Package with dynamic endpoint

I am selling a Java App that customers are installing on their server and now build a Salesforce app (Managed package) to integrate it. This means The Salesforce App packages some Canvas elements to ...
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3 votes
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Integrate external app using IFrame (not Canvas) and Security review

I have a customer that wants to integrate an external Java App with a Managed Package. As the endpoint (domain name) of the external Java App(s) is not static but differs from customer to customer we ...
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3 votes
1 answer
377 views

Canvas app inside managed package that connects to configurable endpoint

Our customers have versions of our Java web app installed in their data center. I want to build a managed packaged Salesforce App that is able to connect to those web app instances using Salesforce ...
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4 votes
0 answers
636 views

"Browsing session has ended or is invalid" when loading Canvas in DX scratch org

I followed this Salesforce tutorial to get a Canvas connection working in a DX scratch org. I'm quite sure I configured everything right but the Canvas on the page always shows Canvas - ...
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1 vote
2 answers
294 views

Send custom data (100k) to a Canvas URL

I am planning on using Canvas to lightweight integrate an external web app. In the documentation (https://resources.docs.salesforce.com/218/latest/en-us/sfdc/pdf/canvas_framework.pdf) I wasn't able to ...
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982 views

How do I use Salesforce Canvas to function like an Iframe?

Any guides to help me get started with Canvas in Salesforce? Need to use it for an Iframe replacement and the guides I have read feel like they skip a big section of how to use it.
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1 vote
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How to configure HTTP request headers for a Canvas app

I’m trying to create a Canvas app where the URL is served by a CDN. Salesforce is setting 'cache-control: no-cache' in the request header and this is causing the request to fail with status 403 along ...
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1 vote
1 answer
187 views

Consume external REST API user-aware (without having to re-login)

I have an Apex class that is consuming a partners REST webservices. Currently all users of my app (in the installed org) access the service via a single API Integration user. We now want make the ...
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3 votes
2 answers
1k views

Publish Custom Canvas App Event from Lightning Aura Component to the Canvas App

We're currently using an aura component with the <force:canvasApp> component to embed our Canvas App. As mentioned in the answer to this post, Sfdc.canvas is not fully exposed to the aura ...
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Canvas app signed request 'content type' header is always using 'application/x-www-form-urlencoded'. Can this be set to application/json?

We have a situation where our APIs do not accept a content type of 'application/x-www-form-urlencoded' and I can't figure out how to force the canvas app configuration to use another content type that ...
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4 votes
1 answer
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What are the differences between a Lightning Container and a Canvas App?

Both lightning:container and Canvas Apps (which themselves can be embedded into Lightning components using force:canvasApp) seem to be doing similar things. Both of them allow you to embed external ...
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14 votes
1 answer
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Canvas App (or equivalent) for Lightning Web Components

We are currently using the force:canvasApp lightning component to embed an external site securely into Salesforce. The Spring '19 release is introducing Lightning Web Components as the future of ...
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Canvas adapter / Tableau dashboard

Using the canvas adapter for SFDC, I am trying to embed a Tableau Dashbaord into the account page. Below is the code i am using. The problem is that it is not properly passing the parameter. <...
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3 votes
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910 views

Canvas App Previewer gives "Cannot POST /" error for Node app

I'm running a node app on heroku that that I am trying to pull into a Canvas App, The Canvas App Preview error simply says "Cannot POST/". When I look at my node server debugger for local host it says ...
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9 votes
2 answers
747 views

How to get Canvas working, need pointer to simple instruction

The Salesforce Canvas Developer Guide states: "Canvas enables you to easily integrate a third-party application in Salesforce". And then it needs more than 100 pages to explain how to do this. OK, ...
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1 vote
1 answer
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How to consume window.parent.postMessage from a third party application in SFDC Canvas?

We are implementing SFDC and trying to integrate with a third party (different team within same organization) application using Canvas approach. This third party application is being currently used as ...
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How do I integrate my canvas app in lightning

I have a canvas app (iframe) working perfectly in SalesForce Classic. How do I integrate it into Lightning?
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Canvas installation in another SalesForce works but can't find button in Chatter

I have created a Canvas app and it runs perfectly on SF developer account 1. In SF developer account 1 it appears on the Chatter tab as a button in the left menu (classic mode). I create a package and ...
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Position of select options in connected canvas app

I have a connected app that is being used to iframe in an external web application as a apex:CanvasApp. This works well, except something has started occurring with HTML select controls in Chrome 67....
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2 votes
0 answers
281 views

Canvas App not showing in Chatter in Lightning UI

I have created a Canvas App and I have enabled it for everything including Chatter. I am able to preview the Canvas App and it also shows up as a Quick Action. However, while in SF Classic I can see ...
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9 votes
1 answer
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Canvas app - verify signed request

i am following the canvas app documentation to verify a signed request before using the parameters i am passing in the canvas app request. The canvas app is embedding a third party app in salesforce. ...
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2 votes
1 answer
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UI integration with Salesforce

We are trying to setup an external app (as a footer item) in Service Console. Upon clicking of this, the external app would be opened in a new window and SFDC would pass the member ID and do a search ...
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1 vote
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Running Tableau in Canvas App

I am looking to embed a Tableau report inside one of our SFDC communities. I am planning on creating a separate tab inside of the community so that everybody has access to the report. Will each ...
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