Click to open the Fields dialogue box. Click the arrow next to the icon to open a sub-menu.
You can choose from the following functions:
Inserts the current date as a field. The default date format is used, and the date is not automatically updated.
Inserts the current time as a field. The time is taken directly from the system settings of your operating system. A fixed time format is applied, which cannot be updated by using the F9 function key.
Inserts the current page number as a field at the cursor position. The default setting is for it to use the Page Number character style.
Inserts as a field the total number of pages in the document.
Inserts the subject specified in the document properties as a field . This field displays the data entered in the Subject field under File - Properties - Description.
Inserts the title specified in the document properties as a field. This field displays the data entered in the Title field under File - Properties - Description.
Inserts the name of the person who created the document here as a field. The field applies the entry made under LibreOffice - PreferencesTools - Options - LibreOffice - User data.