Add a new item type in item submission page in DSpace 7

Open the following file in a terminal:

sudo mousepad /dspace/config/input-forms.xml

Find the lines for item types.

Copy an existing code for an item type.

<pair>
       <displayed-value>Animation</displayed-value>
       <stored-value>Animation</stored-value>
</pair>

Add new value and paste between any default item types.

<pair>
       <displayed-value>PhD Theses</displayed-value>
       <stored-value>PhD Theses</stored-value>
</pair> 

Save and close the file.

Restart Tomcat and refresh the page to see the change.

sudo systemctl restart tomcat9.service