Add helper strings for myuplink application credentials (#115349)

homeassistant/components/myuplink/application_credentials.py

@@ -3,7 +3,7 @@
 from homeassistant.components.application_credentials import AuthorizationServer
 from homeassistant.core import HomeAssistant
 
-from .const import OAUTH2_AUTHORIZE, OAUTH2_TOKEN
+from .const import DOMAIN, OAUTH2_AUTHORIZE, OAUTH2_TOKEN
 
 
 async def async_get_authorization_server(hass: HomeAssistant) -> AuthorizationServer:
@@ -12,3 +12,12 @@ async def async_get_authorization_server(hass: HomeAssistant) -> AuthorizationSe
         authorize_url=OAUTH2_AUTHORIZE,
         token_url=OAUTH2_TOKEN,
     )
+
+
+async def async_get_description_placeholders(hass: HomeAssistant) -> dict[str, str]:
+    """Return description placeholders for the credentials dialog."""
+    return {
+        "more_info_url": f"https://www.home-assistant.io/integrations/{DOMAIN}/",
+        "create_creds_url": "https://dev.myuplink.com/apps",
+        "callback_url": "https://my.home-assistant.io/redirect/oauth",
+    }

homeassistant/components/myuplink/strings.json

@@ -1,4 +1,7 @@
 {
+  "application_credentials": {
+    "description": "Follow the [instructions]({more_info_url}) to give Home Assistant access to your myUplink account. You also need to create application credentials linked to your account:\n1. Go to [Applications at myUplink developer site]({create_creds_url}) and get credentials from an existing application or click **Create New Application**.\n1. Set appropriate Application name and Description\n2. Enter `{callback_url}` as Callback Url\n\n"
+  },
   "config": {
     "step": {
       "pick_implementation": {