# Adding Library Files on the Library File Management Page Library files can be added to an assembly by clicking the **+ Add reference files** button under the Reference files section (Figure 1) on the library file management page. If all possible library files are already associated in the section, the Add reference files button will be disabled (Figure 2).

Figure 1. The Add reference files button is used to add library files to a section on the library file management page.

Figure 2. The Add reference files button is disabled if all possible library files have been added to a section.

Clicking **+ Add reference files** button opens a dialog specific to the section. Choose a *library type* from the drop-down list in the *Add reference sequence dialog* (Figure 3) and the dialog will present options specific for each type. If certain library files have already been associated with an assembly, they will not appear as options in the dialog. For example, if a reference sequence has already been associated with an assembly, it will not appear as an option in the drop-down list shown in Figure 3.

Figure 3. Add reference sequence dialog.

All library file tasks are logged in the *System queue*, which can be accessed by clicking on the configuration in the top right corner, choosing **Settings** and clicking **System queue** on the left. When a library file is being created, the hourglass (![hourglass\_icon\_purple](https://help.partek.illumina.com/~gitbook/image?url=https%3A%2F%2F1384254481-files.gitbook.io%2F%7E%2Ffiles%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252FJVEESmJAPppJ3ijFq5aR%252Fuploads%252Fgit-blob-662dd0592e408024246d0bd9464c965499658ee0%252Fhourglass_icon_purple.png%3Falt%3Dmedia\&width=300\&dpr=4\&quality=100\&sign=35141b8d\&sv=2)) icon will appear in the *Library file* column. At the *Action* column, selecting **View running tasks details** will display information on the task progress (Figure 4).

Figure 4. View creating library file task progress

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