# Using a mouse or touchscreen

## Requirement Dialog

![](/files/-LEgzquP6RhOqmpn1Ux4)

Access the dialog by clicking or tapping on a requirement slot.

This dialog will allow you to change the requirement for that slot, and also optionally allow you to pre-assign a guild member to that slot.

The close 'x' button or the escape key or clicking/tapping on the requirement slot again can be used to close the dialog.

### Collectible dropdown (required)

The first dropdown includes a list of all of the possible collectibles for the parent platoon. Choosing one will populate the picture in that slot and will increase the overall mission's progress bar.

### Guild Member dropdown (optional)

The second dropdown includes a list of all guild members. Choosing one will darken the corresponding requirement image and display who was chosen. For more information about pre-assigning guild members, see this article:

{% content-ref url="/pages/-LCdlU9Ik3CjLXnTtw9B" %}
[Pre-Assignments](/tb-platoon-assigner/usage-guide/pre-assignments.md)
{% endcontent-ref %}


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