The buttons on the “echo charlie” interface are arranged according to the who/what/where principle:

As the admin of a channel, you can create, arrange or delete new buttons at any time.
Procedure
Open the menu(1) and select the “Settings” tab(2)

You can then use the tab to select which block you want to edit (Who, What or Where: 3a-c). For this example, we will configure the Who block (3a), but the procedure is the same for all blocks.

Create button
Click on “Add”(4) and enter a name(5).
You can optionally add an icon by clicking on the “Select icon” button.“(6a). Using the search field (6b), you can almost always find a suitable icon from over 2000 icons (search in English). Then confirm with “Ok”(6d).
Finally click on “Create“(7) button.
In the What area, you can also select a color for the button.
Change button arrangement
You can change the order as you wish using drag & drop. To do this, simply drag the buttons to the desired location with the mouse button and then click on “Save arrangement“ (8).

Delete button
To remove a button, click on the desired button and select “Delete element”(9).

