Hi saishag86196293 ,saishag86196293You can store the query results in an array using for each loop in the query result and store it in vars to use it further in upcoming activities.Below is the code text:var query = xtk.queryDef.create(    <queryDef schema="xyz:transient" operation="select">        ...

Extension schema is just a view of source schema in which new columns will be added. Out of the box schemas in adobe campaign cannot be modified directly, but they can be extended and modified. All the columns added in the extension schema will be reflected in the source schema as they point to one ...