How to Find Conversion Id and Label

1. Login to your Google Ads account. 
2. Click Goals on the left menu. You will be able to see the existing conversions. Click on the conversion name under the Conversion action column.  
3. You will see the details about the relevant conversion. Click on the Tag setup section. 
4. You will see the 3 different instructions card. Select Google Tag Manager. 
5. You will see the conversion id and conversion label.