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API Reference

Overview
Error codes
Event types
Scopes
Release notes

Account

Organization
Members
API keys
Usage

Agents

Agents
Agent versions
Providers and credentials
Tools
Policies
Workflows
Pre-call hooks

Calls

Calls
Phone numbers
Recordings
Call trace and analytics
Outcomes and analyses
Capture windows and reveal grants
Compliance profile

Knowledge and prompts

Knowledge bases
Prompt templates
Prompt evaluations and experiments
Decision corpora

Contacts and campaigns

Contacts
Consent
Campaigns

Processes

Processes
Human tasks

Integrations

Connectors
Connections
Tool bindings
Runs
MCP servers
Triggers
Messages

Events and webhooks

Webhooks
Events
Notification rules
Jobs

Platform

Platform

MachinePopSlotActionInput

Removes the first item of a list slot.

An object with 2 fields.

Fields

slotSlotNamerequired

type"pop_slot"required

Vocal developer docs.