The Evidence Collection tool provides an additional way to collect evidence during observations. When using the Evidence Collection tool the evaluator is able to collect evidence and align evidence at the same time or the evaluator can choose to gather the evidence and then align the evidence to corresponding indicators after the observation.
To locate the tool go to the Process View, select the evaluatee, locate the observation component, then click the plus sign to locate the form. Look to the left of the form icon for the scroll icon. 
The "Evidence Collection Tool" article provides specific directions. It is important to follow the steps to ensure there is no loss of data.