IVR Node: Set Variable

The Set variable node (SetVariable) stores a text value — literal or built from dynamic parts — inside the call's execution context, so a later node (Branch, Condition, or another) can make a decision based on it. It doesn't play audio or pause the call.

Requirements

• None special; it's available inside the IVR Editor for any calling channel.

Configuration

• Variable name: the identifier later nodes will read the value by (e.g. caller_segment).
• Value (literal or ${...}): fixed text, or a template with dynamic variables. This node resolves a limited set of accessors: ${contact.id}, ${contact.name}, ${contact.phone}, ${contact.email}, ${caller.number}, ${locale}, ${wacid}, or any variable stored earlier with another Set variable node. It does not share the extended resolver (${channel.*}, ${now.*}, etc.) used by other nodes such as HTTP Request, Notify agent, or Track event.

Example

A Set variable node named caller_email with value ${contact.email} stores the contact's email for later use — for example, in the body of an HTTP Request or a notification. A later Condition node can check caller_email != '' to decide whether the caller has full contact data before routing them one way or another.

Tips

• Use it to "pre-compute" a value once and reuse it across several later conditions, instead of repeating the same long expression in every node.
• Tokens that don't match any known variable are left as literal text (e.g. ${typo_variable} stays as-is), which makes typos easy to spot in the execution trace. This also applies to accessors this specific node doesn't support, such as ${contact.tags[0]}: even though "tags" exists as a contact concept elsewhere in Omnifox, this node doesn't resolve it, and the token is left literal.

Troubleshooting

If a later node doesn't find the expected value, check that the variable name matches exactly (case-sensitive) between the Set variable node and the node reading it. If the value comes out empty or shows up as the literal ${...} text, confirm you're using one of the supported accessors (contact.id, contact.name, contact.phone, contact.email, caller.number, locale, wacid) and that the contact actually has that data for that caller.