Hey there ShinehahGnolaum,
Thanks for reaching out to the Apple Support Communities. For the best steps on how to create a custom shortcut on your iPhone, check out this link here: Create a custom shortcut on iPhone or iPad - Apple Support
1. In the Shortcuts app
on your iOS or iPadOS device, Tap
in the upper-right corner of the screen.
An empty, untitled shortcut appears in the shortcut editor.
2. Tap New Shortcut, tap Rename, type the name of your shortcut, then tap Done.
3. Tap Add Action.
A list of action categories appears.
4. Tap a category (such as Media or Web), then tap an action in the list to add it to your shortcut.
Note: You may have to scroll to see all the available actions in a category.
You can also touch and hold an action in the list, then drag it to the position you want in the shortcut editor.
5. To add another action, swipe up on the search field at the bottom of the screen, then choose an action.
Tip: When you add another action, the action category you previously chose from opens. To return to the list of all action categories, tap Done.
6. When you’re finished adding actions to your workflow, tap Done.
The shortcut is added to your shortcuts collection, in both the All Shortcuts and My Shortcuts categories.
For information on customizing the appearance of your new shortcut (the rectangle in your shortcuts collection), see Modify shortcut colors and icons on iPhone or iPad.
7. To test your new shortcut, tap
on the shortcut to open it in the shortcut editor, then tap
.
To stop the shortcut, tap
.
Tip: You can also create a new shortcut by touching and holding the Shortcuts app icon on the Home Screen of your device and then tapping Create Shortcut.
For information on rearranging your shortcuts collection, see Reorder shortcuts on iPhone or iPad.
For some more help that can assist with finding actions in the action list, check out this next link here: Navigate the action list in Shortcuts on iPhone or iPad - Apple Support
Let us know if that's able to help.
Have a great day!