n8n Expression Syntax Expert guide for writing correct n8n expressions in workflows. --- Expression Format All dynamic content in n8n uses double curly braces : Examples : --- Core Variables $json - Current Node Output Access data from the current node: $node - Reference Other Nodes Access data from any previous node: Important : - Node names must be in quotes - Node names are case-sensitive - Must match exact node name from workflow $now - Current Timestamp Access current date/time: $env - Environment Variables Access environment variables: Warning : Some n8n instances have enabled, which bl…