As @kamrann say you can use the HasMetaData() function to check if this Property has your metadata, also if you simply need to filter meta in a blueprint dropdown menu use this meta:
meta=(FilterMetaTag="YourMetaToFilter")
As @kamrann say you can use the HasMetaData() function to check if this Property has your metadata, also if you simply need to filter meta in a blueprint dropdown menu use this meta:
meta=(FilterMetaTag="YourMetaToFilter")