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The getObjectInfo wire adapter retrieves metadata about a Salesforce object, including fields, record types, and child relationships.
Import
import { getObjectInfo } from 'lightning/uiObjectInfoApi';
Parameters
The API name of the object to retrieve metadata for. Use $ prefix for reactive properties.
Basic Usage
import { LightningElement, wire } from 'lwc';
import { getObjectInfo } from 'lightning/uiObjectInfoApi';
export default class WireGetObjectInfo extends LightningElement {
objectApiName;
@wire(getObjectInfo, { objectApiName: '$objectApiName' })
objectInfo;
handleBtnClick() {
this.objectApiName =
this.template.querySelector('lightning-input').value;
}
get objectInfoStr() {
return this.objectInfo
? JSON.stringify(this.objectInfo.data, null, 2)
: '';
}
}
Reactive Parameters
Use the $ prefix to make the object API name reactive:
@wire(getObjectInfo, { objectApiName: '$objectApiName' })
objectInfo;
objectApiName changes.
Using Schema References
Import object references from @salesforce/schema:
import { getObjectInfo } from 'lightning/uiObjectInfoApi';
import ACCOUNT_OBJECT from '@salesforce/schema/Account';
@wire(getObjectInfo, { objectApiName: ACCOUNT_OBJECT })
objectInfo;
Response Data
The object info includes:
- apiName - Object API name
- label - Object display label
- labelPlural - Plural label
- fields - Map of field metadata
- recordTypeInfos - Available record types
- childRelationships - Child object relationships
- themeInfo - UI theme information
get fieldInfo() {
if (this.objectInfo.data) {
const fields = this.objectInfo.data.fields;
return Object.keys(fields).map(fieldName => ({
name: fieldName,
label: fields[fieldName].label,
type: fields[fieldName].dataType
}));
}
return [];
}
Source Examples
wireGetObjectInfo - Dynamic object metadata retrieval
