haplo:string-to-ref
The haplo:string-to-ref value filter converts the string representation of a Haplo Ref to a Ref value which can be used to load and refer to other objects.
Example
Your input data might include the Haplo Ref of existing objects. To convert it into a Ref which can then be used by a load Instruction, use:
{
"source": "PERSON_REF",
"destination": "load:by-ref",
"name": "ref",
"filters": ["haplo:string-to-ref"]
}