For example, my component has the following section that displays a record form:

<template if:true={showRecordForm}>

It will load the form for the object I specify in sObjectApiName, and with the specified record type as well. The problem is that I want to assign some values to specific fields.

Let us say that it is a Case form, and I want to assign an Account ID to the AccountId field, before the case is submitted to the platform.

I tried to query the lightning-input-fields, but with no success:

const inputFields = this.template.querySelectorAll(
if (inputFields) {
    inputFields.forEach(field => {

This is a snippet from the documentation of lightning-record-edit-form.

I'm starting to think that this might not be viable, or too much trouble. Is there a way to do this?

  • I think this can be done inside handlesubmit function. There is a example on the documentation.
    – javanoob
    Jun 22, 2019 at 0:42
  • But I don’t want to change the values on submit. I want fields to be set before the form is submitted. Jun 22, 2019 at 1:07

1 Answer 1


You are trying to use edit form, why dont use - record-edit and try passing values

@track recordInfo = {
    fields: [
        { name: "AccountId", value: "001000000000000AAA" },
        { name: "Description", value: "Description of this record." }

get recordInfoDefined () {
    return this.recordInfo !== undefined && this.recordInfo.fields !== undefined
    <template if:true={recordInfoDefined} for:each={recordInfo.fields} for:item="field">
  • I did end up using something like that yesterday. But instead of assigning the value directly to an attribute, I assigned it to an object that is the attribute. That way I can override/preload multiple fields without creating multiple attributes. Thanks for your answer. Jun 25, 2019 at 14:16
  • Thank you. Can you add a snippet please. I wanted to understand how did you managed that - 'I assigned it to an object that is the attribute' Jun 25, 2019 at 14:40
  • Do you mind if I add the snippet to your post, so it will be in the actual answer instead of the question? :) Jun 25, 2019 at 14:41
  • It's fine. Thanks Jun 25, 2019 at 14:43

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