# Pool > New Pool… (a name, a master, the other servers that join it) and Pool > Add Server… (servers that join the selected pool):# src/Form/NewPoolForm.php. The server check boxes are made by the code (the connected servers that are in no pool).form: title: 'New Pool' dialog: true width: 560 fontSize: 13 accent: '#0078d7' layout: column padding: 20 gap: 10 children: - type: row gap: 12 children: - {class: App\Gui\IconBox, kind: pool, width: 32, height: 32} - type: column gap: 0 children: - {type: label, id: heading, text: 'New Pool', style: subtitle} - {type: label, id: where, text: '', style: muted, size: 12, wrap: true} - {type: label, id: nameLabel, text: 'Name:'} - {type: textbox, id: name, placeholder: 'Pool name'} - {type: label, id: descriptionLabel, text: 'Description:'} - {type: textbox, id: description} - {type: label, id: masterLabel, text: 'Master (coordinator):'} - {type: combobox, id: master, items: [], events: {change: onMasterChange}} - {type: label, id: membersLabel, text: 'Servers that join the pool:'} - type: column id: servers gap: 4 padding: 6 children: [] - {type: label, id: note, text: "Each server joins with Async.pool.join, called on the server itself with the master's address and credentials; a server with running or suspended VMs cannot join.", style: muted, size: 12, wrap: true} - {type: label, id: error, text: '', color: '#d1242f', wrap: true} - type: row gap: 8 children: - {type: spacer} - {type: button, id: ok, text: 'Create Pool', style: primary, default: true, events: {click: onOkClick}} - {type: button, id: cancel, text: Cancel, cancel: true, events: {click: onCancelClick}}