The setting "ID" is available for various things in Picturepark e.g. users, fields, schemas, business rules and is the unique Identifier The ID is created automatically from your name entry. Picturepark removes spaces and special characters to ensure that the ID is valid. You use the ID in all technical references to this entity e.g., in display patterns and business rules. This value cannot be changed once set. However, you can remove the whole entity, update the status for content, and list items and re-add the schema or field.

Picturepark will convert your entry always to lowercase, using camel casing for the rest: 

• Name: "My NeW thingys #1 Purpose?"
• ID: myNeWThingys1Purpose