Show username in a custom page

[antony]

Hi, how can I print the username in a custom page or dashboard? It does exist a short code?
Example: echo {username}

[tanya]

Hello
Find the view and template, what you need, set in 'data' user name, or other values

[antony]

Can you explain, please.

[tanya]

for example view for dashlet client/src/views/dashboard.js
it contains 'data' function. This attributes are passed to template client/res/templates/dashboard.tpl

to define username and show it, add to template {{username}} in needed place and in the view, data object username:this.getUser().get('userName'),

[antony]

Unfortunately I still do not understand. Is it so complicated?
Could you explain me step by step?is the first time I use this crm, thank you so much