Done, added it under the projectile
datablock ParticleData(hplasmagrenadeStuckParticle)
{
dragCoefficient = 5.0;
windCoefficient = 0.0;
gravityCoefficient = -0.6;
inheritedVelFactor = 0.0;
constantAcceleration = 0.0;
lifetimeMS = 400;
lifetimeVarianceMS = 0;
spinSpeed = 10.0;
spinRandomMin = -50.0;
spinRandomMax = 50.0;
useInvAlpha = false;
animateTexture = false;
//framesPerSec = 1;
textureName = "base/data/particles/cloud";
//animTexName = " ";
// Interpolation variables
colors[0] = "0 1 1 0.5";
colors[1] = "1 1 1 0.2";
colors[2] = "0 1 1 0.5";
sizes[0] = 0.65;
sizes[1] = 0.55;
sizes[2] = 0.65;
times[0] = 0.0;
times[1] = 0.1;
times[2] = 1.0;
};
datablock ParticleEmitterData(hplasmagrenadeStuckEmitter)
{
ejectionPeriodMS = 3.5;
periodVarianceMS = 0;
ejectionVelocity = 0.5; //0.25;
velocityVariance = 0; //0.10;
ejectionOffset = 0.2;
thetaMin = 0.0;
thetaMax = 90.0;
particles = hplasmagrenadeStuckParticle;
};