Try selecting a shape from either of the drop-down menus and click the ‘Add’ button to add that shape to the Spread instance.

Add Shape: actionButtonBackorPreviousactionButtonBeginningactionButtonCustomactionButtonDocumentactionButtonEndactionButtonForwardorNextactionButtonHelpactionButtonHomeactionButtonInformationactionButtonMovieactionButtonReturnactionButtonSoundarcballoonbentArrowbentUpArrowbevelblockArccanchartPluschartStarchartXchevronchordcircularArrowcloudcloudCalloutcornercornerTabscrosscubecurvedDownArrowcurvedDownRibboncurvedLeftArrowcurvedRightArrowcurvedUpArrowcurvedUpRibbondecagondiagonalStripediamonddodecagondonutdoubleBracedoubleBracketdoubleWavedownArrowdownArrowCalloutdownRibbonexplosion1explosion2flowchartAlternateProcessflowchartCardflowchartCollateflowchartConnectorflowchartDataflowchartDecisionflowchartDelayflowchartDirectAccessStorageflowchartDisplayflowchartDocumentflowchartExtractflowchartInternalStorageflowchartMagneticDiskflowchartManualInputflowchartManualOperationflowchartMergeflowchartMultidocumentflowchartOfflineStorageflowchartOffpageConnectorflowchartOrflowchartPredefinedProcessflowchartPreparationflowchartProcessflowchartPunchedTapeflowchartSequentialAccessStorageflowchartSortflowchartStoredDataflowchartSummingJunctionflowchartTerminatorfoldedCornerframefunnelgear6gear9halfFrameheartheptagonhexagonhorizontalScrollisoscelesTriangleleftArrowleftArrowCalloutleftBraceleftBracketleftCircularArrowleftRightArrowleftRightArrowCalloutleftRightCircularArrowleftRightRibbonleftRightUpArrowleftUpArrowlightningBoltlinelineCallout1lineCallout1AccentBarlineCallout1BorderandAccentBarlineCallout1NoBorderlineCallout2lineCallout2AccentBarlineCallout2BorderandAccentBarlineCallout2NoBorderlineCallout3lineCallout3AccentBarlineCallout3BorderandAccentBarlineCallout3NoBorderlineCallout4lineCallout4AccentBarlineCallout4BorderandAccentBarlineCallout4NoBorderlineInversemathDividemathEqualmathMinusmathMultiplymathNotEqualmathPlusmoonnoSymbolnonIsoscelesTrapezoidnotchedRightArrowoctagonovalovalCalloutparallelogrampentagonpiepieWedgeplaqueplaqueTabsquadArrowquadArrowCalloutrectanglerectangularCalloutregularPentagonrightArrowrightArrowCalloutrightBracerightBracketrightTriangleround1Rectangleround2DiagRectangleround2SameRectangleroundedRectangleroundedRectangularCalloutshape16pointStarshape24pointStarshape32pointStarshape4pointStarshape5pointStarshape8pointStarsmileyFacesnip1Rectanglesnip2DiagRectanglesnip2SameRectanglesnipRoundRectanglesquareTabsstar10Pointstar12Pointstar6Pointstar7PointstripedRightArrowsunswooshArrowteartrapezoiduTurnArrowupArrowupArrowCalloutupDownArrowupDownArrowCalloutupRibbonverticalScrollwave Add Connect Shape: elbowstraight