loopback update code example

Example 1: loopback upsert with where

PersistedModel.upsertWithWhere([where], data, callback)

Example 2: loopback upsert

PersistedModel.upsert(data, callback)

Example 3: loopback find or create

await server.models.Role.findOrCreate(
 	{where: {name: val} },
 	{name: val}
 );