If you have extracted the adset_id from an ad object and want to fetch it, you first have to create an adset_id object out of it - this is exactly what parse string to id node does. It takes a string and formats it to a selected schema type. Take a look at the example below to understand better how you can use it.
| field | schema | explanation |
|---|---|---|
schema | schema_id | Select a schema to which an id needs to be formatted. |
value | any | Input data that needs to be formatted into an object |