text: module.exports.provides = 'Protocol'
  module.exports.create = (sequelize, db) => {
      // each protocol has a name and a description
      return db.define('protocol', {
          name: {
              type: sequelize.STRING,
              allowNull: false
          },
          description: {
              type: sequelize.TEXT,
              allowNull: false
          }
      })
  }
  
  module.exports.relations = ({Instruction, Protocol, ...ctx}) => {
      // each Protocol has many Instructions
      Protocol.hasMany(Instruction, {
          as: 'instructions',
          foreignKey: 'protocolId'
      })
  }
  