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**#DELETEALL(** //symbol, expression// **)**

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| **#DELETEALL** | Deletes the values from specified instances of a multi-valued user-defined symbol. |
| //symbol// | A multi-valued user-defined symbol. |
| //expression// | An expression that defines the instances to delete. |

The **#DELETEALL** statement deletes all values from the //symbol// that meet the //expression//.

**Example:**

**#DECLARE(%ProcFilesPrefix),MULTI      #!Declare multi-valued symbol**

**#ADD(%ProcFilesPrefix,'SAV')          #!Add a value**

**#ADD(%ProcFilesPrefix,'BAK')          #!Add a value**

**#ADD(%ProcFilesPrefix,'PRE')          #!Add a value**

**#ADD(%ProcFilesPrefix,'BAK')          #!Add a value**

**#ADD(%ProcFilesPrefix,'QUE')          #!Add a value**

**#!%ProcFilesPrefix contains: SAV, BAK, PRE, BAK, QUE**

**#DELETEALL****(%ProcFilesPrefix,'BAK')    #!Delete all BAK instances**

**#!%ProcFilesPrefix now contains: SAV, PRE, QUE**

**See Also:     **[[ declare  declare a user defined symbol .htm|#DECLARE]] ,[[ add  add to multi valued symbol .htm|#ADD]]