# db.command.remove
Update command. Deletes the specified field.
Function signature:
function remove(): Command
Sample code
Delete the style field:
const cloud = require('wx-server-sdk')
cloud.init()
const db = cloud.database()
const _ = db.command
exports.main = async (event, context) => {
try {
return await db.collection('todos').doc('todo-id').update({
data: {
style: _.remove()
}
})
} catch(e) {
console.error(e)
}
}