If you want to get an entity in your eSpace, you have the following Entity Actions, available in any action flow:
Get: Gets a row from the Entity. How?
There is also a Get entity function which can be used in the Expression Editor.
GetForUpdate: Gets a row from the Entity and locks it, preventing other processes from accessing this record. How?
If the entity has no primary key, the Get and GetForUpdate actions are not available; you can only use the Create action.
Execute an Entity Action | Create Entities | Update Entities | Delete Entities