Manage Snowflake network policies and network rules. Use when: listing network policies or rules, creating or modifying network rules and policies, understanding hybrid policies with SaaS rules, checking SaaS IP coverage, assigning or unassigning policies to users or accounts. Triggers: network policy, network rule, list network policies, show network rules, create network policy, create network rule, hybrid policy, SaaS rules, IP allowlist, network access, assign policy, unassign policy.