While working in a Multi Session App, if you are using a custom JavaScript code applied at the Form OnLoad event will only trigger the first time you open it but when switching between the multi-session tabs changes will be lost.
Some new call should be implemented or a workarround.
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We have a Web Resource on a D365 form (Contact form) which we have implemented a custom HTML web resource using react. We are using "getContentWindow" method to pass FormContext and Xrm object from the form to the Web Resource. This works great on a normal session in D365. However, when we open the form in a Customer Service multi session, this works the first time the form is loaded. But as soon as we open another tab on the multi session, the web resource refreshes and loses access to formContext and Xrm objects. Users must refresh the form to get the web resource to work again.
Category: Unified Interface