# UnloadPIMap

Unloads instrument templates loaded previously with PIMapfile.

### Synopsis

`Err UnloadPIMap( ScoreContext *scon )`

### Description

This function is the inverse of LoadPIMap; it unloads any instrument templates specified in the score context's PIMap. Any instruments created using those templates are freed when the templates are unloaded.

### Arguments

scon
  Pointer to a ScoreContext data structure.

### Return Value

This function returns 0 if successful or an error code (a negative value) if an error occurs.

### Implementation

Library call implemented in music.lib V20.

### Associated Files

score.h, music.lib

### See Also

``LoadPIMap`(), SetPIMapEntry()`