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LayoutIDs Purpose Returns a list of all layout IDs in fileName, separated by carriage returns. Format LayoutIDs(fileName) Parameters fileName - the name of an open database file (local or remote). Important See Design functions for information about literal text parameters. Data type returned text Originated in FileMaker Pro 6.0 or earlier Examples LayoutIDs(“Customers”) returns a list of all the layout IDs in the Customers database file. Related topics Functions reference (category list) Functions reference (alphabetical list) About formulas About functions Defining calculation fields Using operators in formulas