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<span style="color: #0E9549; font-size: 24px;">'''About this constraint '''</span>
<span style="color: #0E9549; font-size: 24px;">'''About this constraint '''</span>
This constraint may be used to perform logical operators on any child constraints that are added to this constraint.
This constraint may be used to perform logical operators on any child constraints that are added to this constraint.
To add child constraint(s) tap the constraint in the edit macro screen and select the 'add constraint' option. All child constraints will appear indented directly under this constraint.
To add child constraint(s) tap the constraint in the edit macro screen and select the 'add constraint' option. All child constraints will appear indented directly under this constraint.
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When several constraints are used, they are linked by an implicit AND i.e. ALL the constraint conditions have to be TRUE for the action to execute.
When several constraints are used, they are linked by an implicit AND i.e. ALL the constraint conditions have to be TRUE for the action to execute.
If you need a more sophisticated logic, you can link the constraints with logical operators:
If you need a more sophisticated logic, you can link the constraints with logical operators:
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<span style="color: #0E9549; font-size: 24px;">'''AND logic operator (by default)'''</span><br/>
<span style="color: #0E9549; font-size: 24px;">'''AND logic operator (by default)'''</span><br/>
ALL constraint conditions below this operator have to be TRUE. If no other logical operators are needed, this one is not necessary.
ALL constraint conditions below this operator have to be TRUE. If no other logical operators are needed, this one is not necessary.
<span style="color: #0E9549; font-size: 24px;">'''OR logic operator '''</span><br/>
<span style="color: #0E9549; font-size: 24px;">'''OR logic operator '''</span><br/>
AT LEAST ONE of the constraint conditions below this operator has to be TRUE.
AT LEAST ONE of the constraint conditions below this operator has to be TRUE.
<span style="color: #0E9549; font-size: 24px;">'''XOR (XOR = eXclusive OR)'''</span><br/>
<span style="color: #0E9549; font-size: 24px;">'''XOR (XOR = eXclusive OR)'''</span><br/>
ONE AND ONLY ONE of the constraint conditions below this operator has to be TRUE.
ONE AND ONLY ONE of the constraint conditions below this operator has to be TRUE.
<span style="color: #0E9549; font-size: 24px;">'''Logical operator NOT '''</span><br/>
<span style="color: #0E9549; font-size: 24px;">'''Logical operator NOT '''</span><br/>
NEGATION of the constraint condition attached i.e. the constraint has NOT to be TRUE for the action to execute.
NEGATION of the constraint condition attached i.e. the constraint has NOT to be TRUE for the action to execute.
All these constraints and operators can be nested to get even more sophisticated conditions.
All these constraints and operators can be nested to get even more sophisticated conditions.