onTokenUpdate(oEvent) {
			let aSandboxParameters = this._oJSONModel.getProperty("/advancedSettings/value/additionalSandboxParameters");

			if (oEvent.getParameter("type") === "added") {
				oEvent.getParameter("addedTokens").forEach(function(oToken) {
					aSandboxParameters = [...aSandboxParameters, oToken.getText()];
				});
			} else if (oEvent.getParameter("type") === "removed") {
				oEvent.getParameter("removedTokens").forEach(function(oToken) {
					aSandboxParameters = aSandboxParameters.filter(function(sText) {
						return sText !== oToken.getText();
					});
				});
			}

			this._oJSONModel.setProperty("/advancedSettings/value/additionalSandboxParameters", aSandboxParameters);
			this._oJSONModel.setProperty("/settingsUpdate/value", true);
		}
Event handler for token update
@param {sap.ui.base.Event} oEvent - Event