Documentation helps to collect and organise evidence, testimonies, photographs, videos and other materials related to war crimes and crimes against humanity. This includes collecting data on violations of international humanitarian law, loss of life, injuries, destruction of property, etc.

Documentation must ensure the authenticity and reliability of information so that it can be used in court proceedings or forwarded to international bodies for further investigation.

Documentation should ensure the security, storage and control of the evidence collected. This is important because some evidence may be valuable and vulnerable and must be preserved to ensure justice and memorialisation processes.

Information gathered during the documentation of war crimes and crimes against humanity helps investigators understand the nature and scope of war crimes, identify potential suspects, and establish links between different events.

Documentation can be used to produce reports, statements, and public documents that help inform the public, international organisations, and advocacy groups about the scale and significance of war crimes.

The coalition provides access to collected documents and evidence to judicial authorities, international organisations, human rights groups, and journalists who are helping to investigate and seek justice, as well as to historians, subject to the consent of victims and witnesses to provide such information.