Edit placeholder
Continuing from Editor Panel
General
-
From the previous step, click on the dropdown of Placeholders with the folder icon

-
You will be met with categories of placeholders. Any placeholder with the appropriate type will be placed in the same category like below

-
You can now click on one placeholder to open the editing panel

Script tab
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On the Script tab, you can assign which script would the placeholder load

-
You can either choose the script from a list (which is loaded from the actions folder)

or create a new one using this button

- You can also open the script for editing with this button

Don't forget to click Save on the General tab to save your changes.
Relevant XML structures
<metadata>
<placeholder>
<id>10002</id>
<name>Item Token !!!</name>
<description></description>
<type>text</type>
<domain></domain>
<domainid>0</domainid>
<class>3</class>
<load>10002</load>
<sync>-1</sync>
<store>0</store>
<lov>0</lov>
<color name="">
<id>0</id>
</color>
<style></style>
<styleid>0</styleid>
<syncstateinvisible>1</syncstateinvisible>
<loadconstraint>0</loadconstraint>
<active>1</active>
<objectnameid>0</objectnameid>
<prefix>1</prefix>
<postfix></postfix>
<prefixifempty></prefixifempty>
<postfixifempty></postfixifempty>
<timestamp>1573543477844</timestamp>
<build>0</build>
</placeholder>
<placeholder>...</placeholder>
</metadata>