Actions

An Action is a message that we need to pass on to our centralized store. It carries the intention of what we are trying to do as well as data, also called payload. An Action is usually represented as an object

const action = { type: 'CREATE_ITEM', payload: 'my new item' };

The type is our intention and should be a verb saying what we are trying to achieve. The payload carries our data and can be a string or an object or whatever best represents our data.

Action creator

It is quite common to use something called an action creator. It is simply a function that makes it easier for us to create our action object. It looks something like this:

const createItem = (newName) => ({ type: 'CREATE_ITEM', payload: { title: newName } });

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