GitHub user pavelmalai added a comment to the discussion: Choose language for
embedded dashboard
I had the same problem, implemented it by using a mutator:
Superset config file:
```
BABEL_DEFAULT_LOCALE = "en"
BABEL_DEFAULT_FOLDER = "superset/translations"
LANGUAGES = {
"en": {"flag": "us", "name": "English"},
"es": {"flag": "es", "name": "Spanish"}
}
def set_locale_from_url_param():
from flask import session, request
locale_param = request.args.get('lang')
if locale_param:
supported_locales = ['en', 'es']
if locale_param in supported_locales:
session["locale"] = locale_param
FLASK_APP_MUTATOR = lambda app: app.before_request(set_locale_from_url_param)
```
And when emedding the dashboard, add this url param to the dashboardUIConfig
```
dashboardUiConfig: {
hideTitle: true,
hideTab: true,
filters: {
expanded: false,
},
urlParams:{
lang: 'es'
}
```
GitHub link:
https://github.com/apache/superset/discussions/22536#discussioncomment-14253611
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