// Prefill fields in Dynamics 365 formsss

function prefillFieldsOnNewForm(executionContext) {

    const formContext = executionContext.getFormContext(); // Get the form context

    const formType = formContext.ui.getFormType(); // Get the form type (1 = Create)

​

    // Check if the form type is "Create"

    if (formType === 1) { 

        // Prefill the text field

        formContext.getAttribute("pps_textfield").setValue("Default Text");

​

        // Prefill the integer field

        formContext.getAttribute("pps_integerfield").setValue(100);

​

        // Prefill the option set field (value must correspond to an existing option's value)

        formContext.getAttribute("pps_optionsetfield").setValue(1);

​

        // Prefill the date field with the current date

        formContext.getAttribute("pps_datefield").setValue(new Date());

    }

}