code: function getReference(model, embed, logger) {
    let property = model.schema.obj[embed]
    while (_.isArray(property)) {
      property = property[0]
    }
    if (property && property.ref) {
      return {
        model: property.ref,
        include: { model: globals.mongoose.model(property.ref), as: embed }
      }
    } else {
      return null
    }
  }
docs: Creates an association object from a model property if the property is a reference id
  @param model
  @param embed
  @param logger
  @returns {*} The association object or null if no reference is found