Property:Challenge type
From Fallen London Wiki
A field of Property:Has challenge holding text representing the type of challenge, i.e. the algorithm used to determine success rate scaling.
Must be either Broad for Broad difficulty, Narrow for Narrow difficulty, or Luck for Luck challenges.
{ "type": "PROPERTY_CONSTRAINT_SCHEMA", "constraints": { "type_constraint": "_txt", "allowed_values": [ "Broad", "Narrow", "Luck" ] } }