Generated Package XML from org

To generate a package of the entire Salesforce org you can use the link below

Use https://packagebuilder.herokuapp.com/

Package.xml example (autogenerated)

<?xml version="1.0" encoding="UTF-8"?>
<Package xmlns="http://soap.sforce.com/2006/04/metadata">
<types>
    <members>Forzatura__c.LAST_N_DAYS__c</members>
    <name>CustomField</name>
</types>
<types>
   
    <name>CustomMetadata</name>
</types>
<types>
    <members>Forzatura__c</members>
    <name>CustomObject</name>
</types>
<types>
    <members>Forzatura__c-it</members>
    <name>CustomObjectTranslation</name>
</types>
<version>49.0</version>
</Package>

After generate package.xml you retrive all metadata

Example minimal and puntual package.xml

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<Package xmlns="http://soap.sforce.com/2006/04/metadata">
    <types>
        <members>SignatureMethodSection</members>
        <name>AuraDefinitionBundle</name>		
    </types>
	<types>
        <members>CommodityVolturaSection</members>
	<members>CommodityVoltura_Test</members>
        <name>ApexClass</name>		
    </types>
	<version>51.0</version>
</Package>