Append Parameters from your App URL
Information on how to append Parameters to your App URL from the Old Control panel and how to use that to authenticate by appending a user’s Email address.
It is possible to append CMD Line Arguments with existing ones. This can be used for authentication / token purposes.
Follow these instructions :
Step 1. Prepare the setup
Follow Step 1 of this tutorial to prepare the setup to Pass Parameters to get our E3DSFeaturesTemplate UE Project and upload it on your Control panel and to create a CmdLineDemo Config.
Step 2. Enter -green in the text field of Parameters to Pass to App
Go to: Control Panel > Step 2: Config Selection > Edit > Developer Option > Parameters to Pass to App > Enter -green
Step 3. Enable Should append parameters from URL with existing one to override. Click Save
In Developer Options Tab, under ‘Parameters to Pass to App’ text field, enable ‘Should append parameters from URL with existing one to override’
UE will receive the command during runtime. The color of the sphere should be green when you run the game.
Step 4. Open the game. Run to the 12th bay
Open the game to check the color of the sphere.
Step 5. Copy the App URL to the clipboard
This is the URL you would get:
https://connector.eagle3dstreaming.com/v5/demo/E3DSFeaturesTemplate/CmdLineDemo
Step 6. Add additional command lines to the copied App URL
Example 1 :
Add '?exeLunchArgs=-blue' to the end of the URL
https://connector.eagle3dstreaming.com/v5/demo/E3DSFeaturesTemplate/CmdLineDemo?exeLunchArgs=-blue
Example 2 :
Add ‘?exeLunchArgs=-green pink red’ to the end of the URL
Step 7. Open the game. Run to the 12th bay
Open the game again to see the additional Command Lines you have added.
When you click on :
https://connector.eagle3dstreaming.com/v5/demo/E3DSFeaturesTemplate/CmdLineDemo?exeLunchArgs=-blue,
2 values will be getting parsed from two places in CMDLine arguments in the game. (See image below)
Step 8. Authenticate by a user’s Email address
On the URL side, append the user’s email address to the URL, so that it looks like this:
(assuming that you know how to do this programmatically)
By adding the email address into the URL (the '@' sign is an accepted character),
you will be able to pass the email address into your UE app where you can then proceed with the authentication.
Within the E3DSFeaturesTemplate App (source https://bitbucket.org/Eagle3DStreaming/e3dsfeaturestemplate/), there is a blueprint showing how to receive a value
(in the E3DSFeaturesTemplate example we show how to use the Command Line to get an IP Address for multiplayer). (Check this document).
Special Data:
Step 9. Add these Commands to Parameters to Pass to App
Step 10. Get this Output
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