Ask AI

Open this page in an AI assistant with a ready-made prompt.

Answer questions about this page ChatGPT — Answer questions about this page Claude — Answer questions about this page
Explain it simply ChatGPT — Explain it simply Claude — Explain it simply
Help me set it up ChatGPT — Help me set it up Claude — Help me set it up
Troubleshoot a problem ChatGPT — Troubleshoot a problem Claude — Troubleshoot a problem

Opens a third-party service and shares a pre-filled prompt containing this public page URL, its product documentation URL and /llms.txt. No VirtoSoftware account or tenant data is included. Provider terms and privacy policies apply. Verify answers against the linked documentation.

OpenAI terms · OpenAI privacy policy · Anthropic terms · Anthropic privacy policy

Add a Milestone

When task start date equals task end date the task is displayed as milestone. If you create new task as described in previous section and define equal start and end date and time, it will be shown as milestone – a task with zero duration.

Zero-duration task shown as a milestone when start and end dates are equal in the Virto Gantt Chart

Or click “+Milestone” to add a milestone to the chart.

+Milestone button used to add a milestone to the Virto Gantt Chart

Updated on August 12, 2026