in lib/api/repository/relationship-repository.ts [144:156]
private getRelationQueryWhere(item:TSource):{ [index:string]:any }{
let where:{ [index:string]:any } = {};
let sourceItemWhereQuery:{ [index:string]:any } = {};
if (item && this.relationshipConfig.foreignKey && item instanceof EntityModelBase) {
let entityTypeName:string = this.sourceEntityType.singularName.replace(/\s/g, "");
sourceItemWhereQuery[this.relationshipConfig.foreignKey || entityTypeName] = item.id;
}
else if (this.relationshipConfig.getRelationshipData)
Object.assign(sourceItemWhereQuery, this.relationshipConfig.getRelationshipData(item));
return Object.assign(where, sourceItemWhereQuery);
}